Numerical Aptitude Quiz
Free practice quiz on Numerical Aptitude Quiz with detailed solutions for government exam preparation.
About This Quiz
Numerical Aptitude Quiz — Questions with Solutions
All 25 questions from this quiz with the correct answer and explanation. Attempt them yourself first, then open each solution to check your reasoning.
Q1.What is 45% of 200?
- A.80
- B.85
- C.90
- D.95
Show answer
Answer: C. 90
45% of 200 = 90.
Q2.Find the value of 15 x 12.
- A.160
- B.170
- C.180
- D.190
Show answer
Answer: C. 180
15 x 12 = 180.
Q3.What is the square of 13?
- A.159
- B.169
- C.179
- D.189
Show answer
Answer: B. 169
13 squared = 169.
Q4.Simplify: 100 - 25 + 10.
- A.75
- B.80
- C.85
- D.90
Show answer
Answer: C. 85
100-25=75; 75+10=85.
Q5.Find the average of 15, 25, and 35.
- A.20
- B.25
- C.30
- D.35
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Answer: B. 25
Sum=75; average=75/3=25.
Q6.What is the value of 7 cubed?
- A.243
- B.343
- C.443
- D.543
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Answer: B. 343
7 cubed (7x7x7) = 343.
Q7.Find the HCF of 16 and 24.
- A.4
- B.6
- C.8
- D.12
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Answer: C. 8
The HCF of 16 and 24 is 8.
Q8.What is 3/5 expressed as a percentage?
- A.50%
- B.60%
- C.65%
- D.70%
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Answer: B. 60%
3/5 = 0.6 = 60%.
Q9.If x + 7 = 15, find x.
- A.6
- B.7
- C.8
- D.9
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Answer: C. 8
x = 15 - 7 = 8.
Q10.Find the value of 20% of 250.
- A.40
- B.45
- C.50
- D.55
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Answer: C. 50
20% of 250 = 50.
Q11.What is the sum of the first 10 natural numbers?
- A.45
- B.50
- C.55
- D.60
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Answer: C. 55
Sum = n(n+1)/2 = 10x11/2 = 55.
Q12.Simplify: (5+3) x 2.
- A.14
- B.16
- C.18
- D.20
Show answer
Answer: B. 16
(5+3)=8; 8x2=16.
Q13.What is the LCM of 6 and 9?
- A.12
- B.15
- C.18
- D.24
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Answer: C. 18
The LCM of 6 and 9 is 18.
Q14.Find the value of 2^5.
- A.16
- B.32
- C.64
- D.128
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Answer: B. 32
2^5 = 32.
Q15.A number increased by 20% becomes 60. Find the original number.
- A.45
- B.48
- C.50
- D.52
Show answer
Answer: C. 50
Let x be the number: 1.2x=60, x=50.
Q16.Find the simple interest on Rs 2000 at 5% for 2 years.
- A.Rs 150
- B.Rs 175
- C.Rs 200
- D.Rs 225
Show answer
Answer: C. Rs 200
SI = (2000x5x2)/100 = Rs 200.
Q17.What is the value of 144 divided by 12?
- A.10
- B.11
- C.12
- D.13
Show answer
Answer: C. 12
144/12 = 12.
Q18.Find the ratio of 20 to 25 in simplest form.
- A.3:5
- B.4:5
- C.4:4
- D.5:4
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Answer: B. 4:5
20:25 simplifies to 4:5.
Q19.What is the product of 25 and 4?
- A.90
- B.95
- C.100
- D.105
Show answer
Answer: C. 100
25 x 4 = 100.
Q20.If a number is doubled and then increased by 5, the result is 25. Find the original number.
- A.8
- B.9
- C.10
- D.11
Show answer
Answer: C. 10
2x+5=25 => x=10.
Q21.What is 60% of 150?
- A.80
- B.85
- C.90
- D.95
Show answer
Answer: C. 90
60% of 150 = 90.
Q22.Find the value of 9 x 9.
- A.79
- B.81
- C.83
- D.85
Show answer
Answer: B. 81
9 x 9 = 81.
Q23.A number is 25% more than 80. Find the number.
- A.95
- B.100
- C.105
- D.110
Show answer
Answer: B. 100
80 + 25% of 80 = 80+20 = 100.
Q24.What is the cube root of 125?
- A.4
- B.5
- C.6
- D.7
Show answer
Answer: B. 5
5 cubed (5x5x5) = 125, so the cube root is 5.
Q25.Find the difference between 500 and 235.
- A.255
- B.265
- C.275
- D.285
Show answer
Answer: B. 265
500 - 235 = 265.
Frequently Asked Questions
Is Numerical Aptitude Quiz free to attempt on AajExam?
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How long does it take to complete Numerical Aptitude Quiz?
Numerical Aptitude Quiz runs on a 25-minute timer in real exam-style conditions. The clock starts the moment you click Start, mirroring the time pressure of the actual exam.
Are detailed solutions provided?
Yes. Every question on Numerical Aptitude Quiz ships with a complete step-by-step solution, the underlying concept, and (where applicable) shortcut tricks. You can also discuss any question with the AajExam community.
Can I attempt Numerical Aptitude Quiz multiple times?
Yes. You can attempt this quiz as many times as you like. Each attempt is recorded separately so you can track improvement in score, accuracy and time-management.
Which government exams does this quiz prepare me for?
Numerical Aptitude questions appear regularly in SSC CGL, CHSL, MTS, GD; IBPS PO, Clerk; SBI PO, Clerk; RRB NTPC, Group D; UPSC prelims and most State PSC exams. The specific weightage varies by exam — check the exam pattern on the corresponding AajExam exam page for details.