Free MCQs with Answers | Military Brat Defence Academy

Q: A sum becomes ₹6,600 after a 10% increase. The original sum was:

Correct Answer: B. ₹6,000. Original=6600/1.10=₹6000.

Q: The LCM of 12, 15 and 20 is:

Correct Answer: C. 60. LCM=2²×3×5=60.

Q: The HCF of 84 and 126 is:

Correct Answer: C. 42. 84=2²×3×7 and 126=2×3²×7; HCF=42.

Q: A rectangle has perimeter 70 cm and length 20 cm. Its area is:

Correct Answer: C. 300 cm². 2(l+b)=70 gives b=15; area=20×15=300 cm².

Q: The area of a circle of radius 7 cm, using π=22/7, is:

Correct Answer: B. 154 cm². Area=22/7×7²=154 cm².

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

Correct Answer: B. 23. Square: x²+2+1/x²=25, hence value=23.

Q: Simplify: 3/4 + 5/8 − 1/2.

Correct Answer: B. 7/8. 6/8+5/8−4/8=7/8.

Q: A boat travels at 15 km/h in still water and the stream speed is 3 km/h. Downstream speed is:

Correct Answer: C. 18 km/h. Downstream speed=15+3=18 km/h.

Q: A can finish a task in 12 days and B in 18 days. Working together, they finish it in:

Correct Answer: B. 7.2 days. Combined rate=1/12+1/18=5/36; time=36/5=7.2 days.

Q: A train covers 360 km in 4 hours 30 minutes. Its average speed is:

Correct Answer: C. 80 km/h. 4.5 hours; speed=360/4.5=80 km/h.

QID #17198 AFCAT 02/2026 Mock Test Series - Attempt Online Tests AFCAT 2026 Full-Length Mock Test 4 Hard

A sum becomes ₹6,600 after a 10% increase. The original sum was:

Correct Answer: B. ₹6,000
Original=6600/1.10=₹6000.

Question: A sum becomes ₹6,600 after a 10% increase. The original sum was:

A. ₹5,800

B. ₹6,000

C. ₹6,200

D. ₹6,400

Correct Answer: B. ₹6,000Explanation: Original=6600/1.10=₹6000.

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QID #17197 AFCAT 02/2026 Mock Test Series - Attempt Online Tests AFCAT 2026 Full-Length Mock Test 4 Hard

The LCM of 12, 15 and 20 is:

Correct Answer: C. 60
LCM=2²×3×5=60.

Question: The LCM of 12, 15 and 20 is:

A. 40

B. 50

C. 60

D. 120

Correct Answer: C. 60Explanation: LCM=2²×3×5=60.

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QID #17196 AFCAT 02/2026 Mock Test Series - Attempt Online Tests AFCAT 2026 Full-Length Mock Test 4 Medium

The HCF of 84 and 126 is:

Correct Answer: C. 42
84=2²×3×7 and 126=2×3²×7; HCF=42.

Question: The HCF of 84 and 126 is:

A. 21

B. 28

C. 42

D. 63

Correct Answer: C. 42Explanation: 84=2²×3×7 and 126=2×3²×7; HCF=42.

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QID #17195 AFCAT 02/2026 Mock Test Series - Attempt Online Tests AFCAT 2026 Full-Length Mock Test 4 Medium

A rectangle has perimeter 70 cm and length 20 cm. Its area is:

Correct Answer: C. 300 cm²
2(l+b)=70 gives b=15; area=20×15=300 cm².

Question: A rectangle has perimeter 70 cm and length 20 cm. Its area is:

A. 250 cm²

B. 280 cm²

C. 300 cm²

D. 350 cm²

Correct Answer: C. 300 cm²Explanation: 2(l+b)=70 gives b=15; area=20×15=300 cm².

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QID #17194 AFCAT 02/2026 Mock Test Series - Attempt Online Tests AFCAT 2026 Full-Length Mock Test 4 Medium

The area of a circle of radius 7 cm, using π=22/7, is:

Correct Answer: B. 154 cm²
Area=22/7×7²=154 cm².

Question: The area of a circle of radius 7 cm, using π=22/7, is:

A. 144 cm²

B. 154 cm²

C. 164 cm²

D. 176 cm²

Correct Answer: B. 154 cm²Explanation: Area=22/7×7²=154 cm².

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QID #17193 AFCAT 02/2026 Mock Test Series - Attempt Online Tests AFCAT 2026 Full-Length Mock Test 4 Medium

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

Correct Answer: B. 23
Square: x²+2+1/x²=25, hence value=23.

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

A. 21

B. 23

C. 25

D. 27

Correct Answer: B. 23Explanation: Square: x²+2+1/x²=25, hence value=23.

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QID #17192 AFCAT 02/2026 Mock Test Series - Attempt Online Tests AFCAT 2026 Full-Length Mock Test 4 Easy

Simplify: 3/4 + 5/8 − 1/2.

Correct Answer: B. 7/8
6/8+5/8−4/8=7/8.

Question: Simplify: 3/4 + 5/8 − 1/2.

A. 5/8

B. 7/8

C. 9/8

D. 11/8

Correct Answer: B. 7/8Explanation: 6/8+5/8−4/8=7/8.

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QID #17191 AFCAT 02/2026 Mock Test Series - Attempt Online Tests AFCAT 2026 Full-Length Mock Test 4 Easy

A boat travels at 15 km/h in still water and the stream speed is 3 km/h. Downstream speed is:

Correct Answer: C. 18 km/h
Downstream speed=15+3=18 km/h.

Question: A boat travels at 15 km/h in still water and the stream speed is 3 km/h. Downstream speed is:

A. 12 km/h

B. 15 km/h

C. 18 km/h

D. 21 km/h

Correct Answer: C. 18 km/hExplanation: Downstream speed=15+3=18 km/h.

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QID #17190 AFCAT 02/2026 Mock Test Series - Attempt Online Tests AFCAT 2026 Full-Length Mock Test 4 Easy

A can finish a task in 12 days and B in 18 days. Working together, they finish it in:

Correct Answer: B. 7.2 days
Combined rate=1/12+1/18=5/36; time=36/5=7.2 days.

Question: A can finish a task in 12 days and B in 18 days. Working together, they finish it in:

A. 6 days

B. 7.2 days

C. 8 days

D. 9 days

Correct Answer: B. 7.2 daysExplanation: Combined rate=1/12+1/18=5/36; time=36/5=7.2 days.

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QID #17189 AFCAT 02/2026 Mock Test Series - Attempt Online Tests AFCAT 2026 Full-Length Mock Test 4 Easy

A train covers 360 km in 4 hours 30 minutes. Its average speed is:

Correct Answer: C. 80 km/h
4.5 hours; speed=360/4.5=80 km/h.

Question: A train covers 360 km in 4 hours 30 minutes. Its average speed is:

A. 72 km/h

B. 75 km/h

C. 80 km/h

D. 90 km/h

Correct Answer: C. 80 km/hExplanation: 4.5 hours; speed=360/4.5=80 km/h.

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QID #17188 AFCAT 02/2026 Mock Test Series - Attempt Online Tests AFCAT 2026 Full-Length Mock Test 4 Hard

The average of 18, 24, 31, 27 and 20 is:

Correct Answer: C. 24
Sum=120; average=120/5=24.

Question: The average of 18, 24, 31, 27 and 20 is:

A. 22

B. 23

C. 24

D. 25

Correct Answer: C. 24Explanation: Sum=120; average=120/5=24.

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QID #17187 AFCAT 02/2026 Mock Test Series - Attempt Online Tests AFCAT 2026 Full-Length Mock Test 4 Hard

Find the simple interest on ₹4,000 at 7.5% per annum for 2 years.

Correct Answer: C. ₹600
SI=4000×7.5×2/100=₹600.

Question: Find the simple interest on ₹4,000 at 7.5% per annum for 2 years.

A. ₹500

B. ₹550

C. ₹600

D. ₹650

Correct Answer: C. ₹600Explanation: SI=4000×7.5×2/100=₹600.

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QID #17186 AFCAT 02/2026 Mock Test Series - Attempt Online Tests AFCAT 2026 Full-Length Mock Test 4 Medium

An article bought for ₹1,250 is sold for ₹1,475. Find the profit percentage.

Correct Answer: B. 18%
Profit=225; 225/1250×100=18%.

Question: An article bought for ₹1,250 is sold for ₹1,475. Find the profit percentage.

A. 15%

B. 18%

C. 20%

D. 22%

Correct Answer: B. 18%Explanation: Profit=225; 225/1250×100=18%.

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QID #17185 AFCAT 02/2026 Mock Test Series - Attempt Online Tests AFCAT 2026 Full-Length Mock Test 4 Medium

The ratio of two numbers is 4:7 and their sum is 99. Find the larger number.

Correct Answer: C. 63
Eleven parts equal 99, so one part is 9 and larger number is 7×9=63.

Question: The ratio of two numbers is 4:7 and their sum is 99. Find the larger number.

A. 36

B. 54

C. 63

D. 72

Correct Answer: C. 63Explanation: Eleven parts equal 99, so one part is 9 and larger number is 7×9=63.

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QID #17184 AFCAT 02/2026 Mock Test Series - Attempt Online Tests AFCAT 2026 Full-Length Mock Test 4 Medium

What is 18% of 750?

Correct Answer: C. 135
18% of 750 = 135.

Question: What is 18% of 750?

A. 125

B. 130

C. 135

D. 140

Correct Answer: C. 135Explanation: 18% of 750 = 135.

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QID #17183 AFCAT 02/2026 Mock Test Series - Attempt Online Tests AFCAT 2026 Full-Length Mock Test 4 Medium

Which option is correctly associated with “Union Budget 2026-27 presenter”?

Correct Answer: A. Nirmala Sitharaman
The correct association is “Union Budget 2026-27 presenter — Nirmala Sitharaman”.

Question: Which option is correctly associated with “Union Budget 2026-27 presenter”?

A. Nirmala Sitharaman

B. India-Japan army exercise

C. 23½° north latitude

D. Fundamental Duties

Correct Answer: A. Nirmala SitharamanExplanation: The correct association is “Union Budget 2026-27 presenter — Nirmala Sitharaman”.

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QID #17182 AFCAT 02/2026 Mock Test Series - Attempt Online Tests AFCAT 2026 Full-Length Mock Test 4 Easy

Which option is correctly associated with “India medals at CWG 2026”?

Correct Answer: D. 39
The correct association is “India medals at CWG 2026 — 39”.

Question: Which option is correctly associated with “India medals at CWG 2026”?

A. strategic transport aircraft

B. multilateral peacekeeping exercise in Mongolia

C. constitutional remedies

D. 39

Correct Answer: D. 39Explanation: The correct association is “India medals at CWG 2026 — 39”.

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QID #17181 AFCAT 02/2026 Mock Test Series - Attempt Online Tests AFCAT 2026 Full-Length Mock Test 4 Easy

Which option is correctly associated with “Commonwealth Games 2026 host”?

Correct Answer: C. Glasgow
The correct association is “Commonwealth Games 2026 host — Glasgow”.

Question: Which option is correctly associated with “Commonwealth Games 2026 host”?

A. multirole fighter aircraft

B. India-Uzbekistan exercise

C. Glasgow

D. winter rain in north-west India

Correct Answer: C. GlasgowExplanation: The correct association is “Commonwealth Games 2026 host — Glasgow”.

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QID #17180 AFCAT 02/2026 Mock Test Series - Attempt Online Tests AFCAT 2026 Full-Length Mock Test 4 Easy

Which option is correctly associated with “SpaDeX”?

Correct Answer: B. space docking experiment
The correct association is “SpaDeX — space docking experiment”.

Question: Which option is correctly associated with “SpaDeX”?

A. IAF special forces

B. space docking experiment

C. India-Seychelles exercise

D. longest peninsular river

Correct Answer: B. space docking experimentExplanation: The correct association is “SpaDeX — space docking experiment”.

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QID #17179 AFCAT 02/2026 Mock Test Series - Attempt Online Tests AFCAT 2026 Full-Length Mock Test 4 Easy

Which option is correctly associated with “Aditya-L1”?

Correct Answer: A. solar observatory mission
The correct association is “Aditya-L1 — solar observatory mission”.

Question: Which option is correctly associated with “Aditya-L1”?

A. solar observatory mission

B. 8 October 1932

C. India-US special forces exercise

D. cotton cultivation

Correct Answer: A. solar observatory missionExplanation: The correct association is “Aditya-L1 — solar observatory mission”.

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Free MCQs with Answers | Military Brat Defence Academy

A sum becomes ₹6,600 after a 10% increase. The original sum was:

The LCM of 12, 15 and 20 is:

The HCF of 84 and 126 is:

A rectangle has perimeter 70 cm and length 20 cm. Its area is:

The area of a circle of radius 7 cm, using π=22/7, is:

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

Simplify: 3/4 + 5/8 − 1/2.

A boat travels at 15 km/h in still water and the stream speed is 3 km/h. Downstream speed is:

A can finish a task in 12 days and B in 18 days. Working together, they finish it in:

A train covers 360 km in 4 hours 30 minutes. Its average speed is:

The average of 18, 24, 31, 27 and 20 is:

Find the simple interest on ₹4,000 at 7.5% per annum for 2 years.

An article bought for ₹1,250 is sold for ₹1,475. Find the profit percentage.

The ratio of two numbers is 4:7 and their sum is 99. Find the larger number.

What is 18% of 750?

Which option is correctly associated with “Union Budget 2026-27 presenter”?

Which option is correctly associated with “India medals at CWG 2026”?

Which option is correctly associated with “Commonwealth Games 2026 host”?

Which option is correctly associated with “SpaDeX”?

Which option is correctly associated with “Aditya-L1”?

Free MCQs with Answers and Explanations