Free MCQs with Answers | Military Brat Defence Academy

Q: Pointing to a woman, Arjun said, 'Her mother's only son is my father.' The woman is Arjun's:

Correct Answer: C. Aunt. The woman's mother's only son is Arjun's father, so the woman is the father's sister, Arjun's aunt.

Q: If FLIGHT is coded as GMJHIU, how is RADAR coded?

Correct Answer: A. SBEBS. Each letter is shifted forward by one: R→S, A→B, D→E, A→B, R→S.

Q: Find the next term: 4, 10, 22, 46, 94, ?

Correct Answer: C. 190. Each term is previous×2+2; 94×2+2 = 190.

Q: Find the odd one out.

Correct Answer: D. Gyroscope. Sonar, radar and lidar are detection/ranging technologies; a gyroscope measures orientation or angular motion.

Q: Complete the analogy: Altimeter : Altitude :: Anemometer : ?

Correct Answer: C. Wind speed. An altimeter measures altitude; an anemometer measures wind speed.

Q: If 2^x = 32 and 3^y = 81, then x+y is:

Correct Answer: C. 9. x=5 and y=4, so x+y=9.

Q: A shopkeeper gives successive discounts of 20 percent and 15 percent on Rs 5,000. The selling price is:

Correct Answer: D. Rs 3,400. 5000×0.80×0.85 = Rs 3,400.

Q: A and B together finish a job in 8 days. A alone takes 12 days. B alone takes:

Correct Answer: C. 24 days. B's rate = 1/8 - 1/12 = 1/24, so B takes 24 days.

Q: A sum doubles in 5 years at simple interest. In how many years will it become three times?

Correct Answer: D. 10 years. Doubling means interest equal to principal in 5 years. To become triple, interest must be twice principal, requiring 10 years.

Q: A 40-litre mixture contains milk and water in the ratio 7:3. How much water must be added to make the ratio 7:5?

Correct Answer: D. 8 litres. Milk = 28 L and water = 12 L. For ratio 7:5, water must be 20 L, so add 8 L.

QID #13408 AFCAT 02/2026 Mock Test Series - Attempt Online Tests AFCAT 2026 Full-Length Mock Test 7 Hard

Pointing to a woman, Arjun said, 'Her mother's only son is my father.' The woman is Arjun's:

Correct Answer: C. Aunt
The woman's mother's only son is Arjun's father, so the woman is the father's sister, Arjun's aunt.

Question: Pointing to a woman, Arjun said, 'Her mother's only son is my father.' The woman is Arjun's:

A. Mother

B. Sister

C. Aunt

D. Cousin

Correct Answer: C. AuntExplanation: The woman's mother's only son is Arjun's father, so the woman is the father's sister, Arjun's aunt.

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QID #13407 AFCAT 02/2026 Mock Test Series - Attempt Online Tests AFCAT 2026 Full-Length Mock Test 7 Hard

If FLIGHT is coded as GMJHIU, how is RADAR coded?

Correct Answer: A. SBEBS
Each letter is shifted forward by one: R→S, A→B, D→E, A→B, R→S.

Question: If FLIGHT is coded as GMJHIU, how is RADAR coded?

A. SBEBS

B. SBDBS

C. SCEBS

D. RBEBR

Correct Answer: A. SBEBSExplanation: Each letter is shifted forward by one: R→S, A→B, D→E, A→B, R→S.

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QID #13406 AFCAT 02/2026 Mock Test Series - Attempt Online Tests AFCAT 2026 Full-Length Mock Test 7 Hard

Find the next term: 4, 10, 22, 46, 94, ?

Correct Answer: C. 190
Each term is previous×2+2; 94×2+2 = 190.

Question: Find the next term: 4, 10, 22, 46, 94, ?

A. 186

B. 188

C. 190

D. 192

Correct Answer: C. 190Explanation: Each term is previous×2+2; 94×2+2 = 190.

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QID #13405 AFCAT 02/2026 Mock Test Series - Attempt Online Tests AFCAT 2026 Full-Length Mock Test 7 Hard

Find the odd one out.

Correct Answer: D. Gyroscope
Sonar, radar and lidar are detection/ranging technologies; a gyroscope measures orientation or angular motion.

Question: Find the odd one out.

A. Sonar

B. Radar

C. Lidar

D. Gyroscope

Correct Answer: D. GyroscopeExplanation: Sonar, radar and lidar are detection/ranging technologies; a gyroscope measures orientation or angular motion.

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QID #13404 AFCAT 02/2026 Mock Test Series - Attempt Online Tests AFCAT 2026 Full-Length Mock Test 7 Hard

Complete the analogy: Altimeter : Altitude :: Anemometer : ?

Correct Answer: C. Wind speed
An altimeter measures altitude; an anemometer measures wind speed.

Question: Complete the analogy: Altimeter : Altitude :: Anemometer : ?

A. Pressure

B. Humidity

C. Wind speed

D. Temperature

Correct Answer: C. Wind speedExplanation: An altimeter measures altitude; an anemometer measures wind speed.

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QID #13403 AFCAT 02/2026 Mock Test Series - Attempt Online Tests AFCAT 2026 Full-Length Mock Test 7 Hard

If 2^x = 32 and 3^y = 81, then x+y is:

Correct Answer: C. 9
x=5 and y=4, so x+y=9.

Question: If 2^x = 32 and 3^y = 81, then x+y is:

A. 7

B. 8

C. 9

D. 10

Correct Answer: C. 9Explanation: x=5 and y=4, so x+y=9.

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QID #13402 AFCAT 02/2026 Mock Test Series - Attempt Online Tests AFCAT 2026 Full-Length Mock Test 7 Hard

A shopkeeper gives successive discounts of 20 percent and 15 percent on Rs 5,000. The selling price is:

Correct Answer: D. Rs 3,400
5000×0.80×0.85 = Rs 3,400.

Question: A shopkeeper gives successive discounts of 20 percent and 15 percent on Rs 5,000. The selling price is:

A. Rs 3,200

B. Rs 3,600

C. Rs 3,500

D. Rs 3,400

Correct Answer: D. Rs 3,400Explanation: 5000×0.80×0.85 = Rs 3,400.

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QID #13401 AFCAT 02/2026 Mock Test Series - Attempt Online Tests AFCAT 2026 Full-Length Mock Test 7 Hard

A and B together finish a job in 8 days. A alone takes 12 days. B alone takes:

Correct Answer: C. 24 days
B's rate = 1/8 - 1/12 = 1/24, so B takes 24 days.

Question: A and B together finish a job in 8 days. A alone takes 12 days. B alone takes:

A. 18 days

B. 20 days

C. 24 days

D. 30 days

Correct Answer: C. 24 daysExplanation: B's rate = 1/8 - 1/12 = 1/24, so B takes 24 days.

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QID #13400 AFCAT 02/2026 Mock Test Series - Attempt Online Tests AFCAT 2026 Full-Length Mock Test 7 Hard

A sum doubles in 5 years at simple interest. In how many years will it become three times?

Correct Answer: D. 10 years
Doubling means interest equal to principal in 5 years. To become triple, interest must be twice principal, requiring 10 years.

Question: A sum doubles in 5 years at simple interest. In how many years will it become three times?

A. 8 years

B. 15 years

C. 12 years

D. 10 years

Correct Answer: D. 10 yearsExplanation: Doubling means interest equal to principal in 5 years. To become triple, interest must be twice principal, requiring 10 years.

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QID #13399 AFCAT 02/2026 Mock Test Series - Attempt Online Tests AFCAT 2026 Full-Length Mock Test 7 Hard

A 40-litre mixture contains milk and water in the ratio 7:3. How much water must be added to make the ratio 7:5?

Correct Answer: D. 8 litres
Milk = 28 L and water = 12 L. For ratio 7:5, water must be 20 L, so add 8 L.

Question: A 40-litre mixture contains milk and water in the ratio 7:3. How much water must be added to make the ratio 7:5?

A. 6 litres

B. 12 litres

C. 10 litres

D. 8 litres

Correct Answer: D. 8 litresExplanation: Milk = 28 L and water = 12 L. For ratio 7:5, water must be 20 L, so add 8 L.

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QID #13398 AFCAT 02/2026 Mock Test Series - Attempt Online Tests AFCAT 2026 Full-Length Mock Test 7 Hard

In a right triangle, the perpendicular sides are 9 cm and 12 cm. The hypotenuse is:

Correct Answer: C. 15 cm
By Pythagoras, hypotenuse = √(81+144) = √225 = 15 cm.

Question: In a right triangle, the perpendicular sides are 9 cm and 12 cm. The hypotenuse is:

A. 13 cm

B. 14 cm

C. 15 cm

D. 17 cm

Correct Answer: C. 15 cmExplanation: By Pythagoras, hypotenuse = √(81+144) = √225 = 15 cm.

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QID #13397 AFCAT 02/2026 Mock Test Series - Attempt Online Tests AFCAT 2026 Full-Length Mock Test 7 Hard

The curved surface area of a cylinder of radius 7 cm and height 10 cm, using π=22/7, is:

Correct Answer: D. 440 sq cm
Curved surface area = 2πrh = 2×22/7×7×10 = 440 sq cm.

Question: The curved surface area of a cylinder of radius 7 cm and height 10 cm, using π=22/7, is:

A. 220 sq cm

B. 880 sq cm

C. 660 sq cm

D. 440 sq cm

Correct Answer: D. 440 sq cmExplanation: Curved surface area = 2πrh = 2×22/7×7×10 = 440 sq cm.

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QID #13396 AFCAT 02/2026 Mock Test Series - Attempt Online Tests AFCAT 2026 Full-Length Mock Test 7 Hard

The diagonal of a square is 10√2 cm. Its area is:

Correct Answer: D. 100 sq cm
For a square, diagonal = side√2, so side = 10 and area = 100 sq cm.

Question: The diagonal of a square is 10√2 cm. Its area is:

A. 50 sq cm

B. 200 sq cm

C. 150 sq cm

D. 100 sq cm

Correct Answer: D. 100 sq cmExplanation: For a square, diagonal = side√2, so side = 10 and area = 100 sq cm.

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QID #13395 AFCAT 02/2026 Mock Test Series - Attempt Online Tests AFCAT 2026 Full-Length Mock Test 7 Hard

If x + 1/x = 5, then x² + 1/x² equals:

Correct Answer: D. 23
Squaring gives x² + 2 + 1/x² = 25, hence x² + 1/x² = 23.

Question: If x + 1/x = 5, then x² + 1/x² equals:

A. 21

B. 27

C. 25

D. 23

Correct Answer: D. 23Explanation: Squaring gives x² + 2 + 1/x² = 25, hence x² + 1/x² = 23.

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QID #13394 AFCAT 02/2026 Mock Test Series - Attempt Online Tests AFCAT 2026 Full-Length Mock Test 7 Hard

A boat covers 30 km downstream in 2 hours and the same distance upstream in 3 hours. Speed in still water is:

Correct Answer: C. 12.5 km/h
Downstream speed = 15, upstream = 10; still-water speed = (15+10)/2 = 12.5 km/h.

Question: A boat covers 30 km downstream in 2 hours and the same distance upstream in 3 hours. Speed in still water is:

A. 10 km/h

B. 11.5 km/h

C. 12.5 km/h

D. 15 km/h

Correct Answer: C. 12.5 km/hExplanation: Downstream speed = 15, upstream = 10; still-water speed = (15+10)/2 = 12.5 km/h.

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QID #13393 AFCAT 02/2026 Mock Test Series - Attempt Online Tests AFCAT 2026 Full-Length Mock Test 7 Hard

A train 240 m long crosses a 360 m platform in 30 seconds. Its speed is:

Correct Answer: D. 72 km/h
Distance covered = 600 m; speed = 20 m/s = 72 km/h.

Question: A train 240 m long crosses a 360 m platform in 30 seconds. Its speed is:

A. 60 km/h

B. 80 km/h

C. 75 km/h

D. 72 km/h

Correct Answer: D. 72 km/hExplanation: Distance covered = 600 m; speed = 20 m/s = 72 km/h.

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QID #13392 AFCAT 02/2026 Mock Test Series - Attempt Online Tests AFCAT 2026 Full-Length Mock Test 7 Hard

A car travels 120 km at 40 km/h and another 180 km at 60 km/h. Its average speed is:

Correct Answer: C. 50 km/h
Total distance is 300 km; total time is 3+3=6 hours; average speed = 50 km/h.

Question: A car travels 120 km at 40 km/h and another 180 km at 60 km/h. Its average speed is:

A. 45 km/h

B. 48 km/h

C. 50 km/h

D. 54 km/h

Correct Answer: C. 50 km/hExplanation: Total distance is 300 km; total time is 3+3=6 hours; average speed = 50 km/h.

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QID #13391 AFCAT 02/2026 Mock Test Series - Attempt Online Tests AFCAT 2026 Full-Length Mock Test 7 Hard

A completes a job in 20 days and B in 30 days. Together they complete it in:

Correct Answer: D. 12 days
Combined rate = 1/20 + 1/30 = 1/12, so 12 days.

Question: A completes a job in 20 days and B in 30 days. Together they complete it in:

A. 10 days

B. 18 days

C. 15 days

D. 12 days

Correct Answer: D. 12 daysExplanation: Combined rate = 1/20 + 1/30 = 1/12, so 12 days.

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QID #13390 AFCAT 02/2026 Mock Test Series - Attempt Online Tests AFCAT 2026 Full-Length Mock Test 7 Hard

The simple interest on a sum for 4 years at 6 percent is Rs 720. The principal is:

Correct Answer: D. Rs 3,000
P = 720×100/(6×4) = Rs 3,000.

Question: The simple interest on a sum for 4 years at 6 percent is Rs 720. The principal is:

A. Rs 2,500

B. Rs 4,000

C. Rs 3,500

D. Rs 3,000

Correct Answer: D. Rs 3,000Explanation: P = 720×100/(6×4) = Rs 3,000.

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QID #13389 AFCAT 02/2026 Mock Test Series - Attempt Online Tests AFCAT 2026 Full-Length Mock Test 7 Hard

A trader marks an article 25 percent above cost and allows a 10 percent discount. His profit percentage is:

Correct Answer: D. 12.5 percent
Selling price = 1.25×0.90 = 1.125 of cost, giving 12.5 percent profit.

Question: A trader marks an article 25 percent above cost and allows a 10 percent discount. His profit percentage is:

A. 10 percent

B. 22.5 percent

C. 15 percent

D. 12.5 percent

Correct Answer: D. 12.5 percentExplanation: Selling price = 1.25×0.90 = 1.125 of cost, giving 12.5 percent profit.

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Free MCQs with Answers | Military Brat Defence Academy

Pointing to a woman, Arjun said, 'Her mother's only son is my father.' The woman is Arjun's:

If FLIGHT is coded as GMJHIU, how is RADAR coded?

Find the next term: 4, 10, 22, 46, 94, ?

Find the odd one out.

Complete the analogy: Altimeter : Altitude :: Anemometer : ?

If 2^x = 32 and 3^y = 81, then x+y is:

A shopkeeper gives successive discounts of 20 percent and 15 percent on Rs 5,000. The selling price is:

A and B together finish a job in 8 days. A alone takes 12 days. B alone takes:

A sum doubles in 5 years at simple interest. In how many years will it become three times?

A 40-litre mixture contains milk and water in the ratio 7:3. How much water must be added to make the ratio 7:5?

In a right triangle, the perpendicular sides are 9 cm and 12 cm. The hypotenuse is:

The curved surface area of a cylinder of radius 7 cm and height 10 cm, using π=22/7, is:

The diagonal of a square is 10√2 cm. Its area is:

If x + 1/x = 5, then x² + 1/x² equals:

A boat covers 30 km downstream in 2 hours and the same distance upstream in 3 hours. Speed in still water is:

A train 240 m long crosses a 360 m platform in 30 seconds. Its speed is:

A car travels 120 km at 40 km/h and another 180 km at 60 km/h. Its average speed is:

A completes a job in 20 days and B in 30 days. Together they complete it in:

The simple interest on a sum for 4 years at 6 percent is Rs 720. The principal is:

A trader marks an article 25 percent above cost and allows a 10 percent discount. His profit percentage is:

Free MCQs with Answers and Explanations

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