Surds & Indices
SSC CGL · Quantitative Aptitude · 12 practice questions with answers and explanations: 2 Easy, 6 Medium, 4 Hard.
Sample questions
Sample Easy question 1
Find the value of (3²)³.
- 81
- 729
- 243
- 59049
Show answer
Answer: B. (3²)³ = 3⁶ = 729.
Sample Medium question 2
Find the value of √12 × √3.
- 3
- 12
- 6
- 9
Show answer
Answer: C. √12 × √3 = √36 = 6.
Sample Hard question 3
Find the value of 25^(−3/2).
- 1/5
- 1/125
- 125
- 1/25
Show answer
Answer: B. 25^(−3/2) = (5²)^(−3/2) = 5^(−3) = 1/125.
More Quantitative Aptitude topics for SSC CGL
- Algebra
- Average
- Boats & Streams
- Data Interpretation
- Geometry
- HCF & LCM
- Height & Distance
- Mensuration
- Mixture & Alligation
- Number System
- Partnership
- Percentage
- Problems on Ages
- Problems on Trains
- Profit/Loss & Discount
- Ratio & Proportion
- Simple & Compound Interest
- Simplification & Approximation
- Time & Work / Pipes & Cisterns
- Time, Speed & Distance
- Trigonometry