Number System Quiz 4
Practice quiz on Number System (Mathematics). 5 real exam questions.
About This Quiz
Number System Quiz 4 — Questions with Solutions
All 5 questions from this quiz with the correct answer and explanation. Attempt them yourself first, then open each solution to check your reasoning.
Q1.Solve: 3/4 of a number=45 ⇒ number?
- A.60
- B.55
- C.75
- D.50
Show answer
Answer: A. 60
x=60.
Q2.Find the next term: 5, 11, 23, 47, ?
- A.95
- B.96
- C.97
- D.98
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Answer: A. 95
Pattern = previous×2 +1 → 47×2+1=95
Q3.A number becomes 360 after a 25% increase. What was the number?
- A.270
- B.288
- C.300
- D.320
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Answer: B. 288
Original number = 360 ÷ 1.25 = 288.
Q4.If 40% of a number is 80, the number is:
- A.150
- B.180
- C.200
- D.220
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Answer: C. 200
80 = 0.40 × number → number = 200
Q5.Which number is divisible by 11?
- A.231
- B.245
- C.319
- D.427
Show answer
Answer: A. 231
231÷11=21
Frequently Asked Questions
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How long does it take to complete Number System Quiz 4?
Number System Quiz 4 runs on a 1-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 Number System Quiz 4 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 Number System Quiz 4 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?
Number System 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.