Numerical Ability Quiz 7
Practice quiz on Numerical Ability (General Aptitude). 5 real exam questions.
About This Quiz
Numerical Ability Quiz 7 — 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.A number is increased by 20% and then decreased by 20%. Net change?
- A.4% decrease
- B.No change
- C.4% increase
- D.2% decrease
Show answer
Answer: A. 4% decrease
Net multiplier = 1.2 × 0.8 = 0.96 ⇒ 4% decrease.
Q2.What is the probability of drawing a king from a standard deck of cards?
- A.1/13
- B.1/52
- C.4/52
- D.1/4
Show answer
Answer: C. 4/52
There are 4 kings in 52 cards ⇒ probability = 4/52 = 1/13.
Q3.Find the next number: 4, 9, 16, 25, ?
- A.30
- B.36
- C.40
- D.49
Show answer
Answer: B. 36
Squares: 2², 3², 4², 5² → 6² = 36.
Q4.Speed = Distance ÷ Time. If distance = 100 km and speed = 20 km/h, time =
- A.2 h
- B.3 h
- C.4 h
- D.5 h
Show answer
Answer: C. 4 h
100 ÷ 20 = 5 h (Correction: 5 hours).
Q5.What is the value of √225?
- A.10
- B.12
- C.14
- D.15
Show answer
Answer: D. 15
√225 = 15.
Frequently Asked Questions
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How long does it take to complete Numerical Ability Quiz 7?
Numerical Ability Quiz 7 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 Numerical Ability Quiz 7 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 Ability Quiz 7 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 Ability 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.