Practice Quantitative Ability questions with answers and explanations.
Choose an option to check your answer.
The sum is 100 and there are 4 values, so the average is 25.
Choose an option to check your answer.
81 + 7 = 88.
Choose an option to check your answer.
The sum is 216 and there are 8 values, so the average is 27.
Choose an option to check your answer.
102 + 7 = 109.
Choose an option to check your answer.
15% of 150 = 15/100 × 150 = 22.
Choose an option to check your answer.
Simple interest = P×R×T/100 = 7400×6×2/100 = 888.
Choose an option to check your answer.
Simple interest = P×R×T/100 = 6600×8×4/100 = 2112.
Choose an option to check your answer.
5% of 130 = 5/100 × 130 = 6.
Choose an option to check your answer.
Divide both sides by 2: x = 30/2 = 15.
Choose an option to check your answer.
Divide both sides by 5: x = 50/5 = 10.
Choose an option to check your answer.
Divide both sides by 4: x = 52/4 = 13.
Choose an option to check your answer.
20% of 160 = 20/100 × 160 = 32.
