Practice Quantitative Ability questions with answers and explanations.
Choose an option to check your answer.
Simple interest = P×R×T/100 = 7800×10×4/100 = 3120.
Choose an option to check your answer.
The sum is 175 and there are 7 values, so the average is 25.
Choose an option to check your answer.
10% of 190 = 10/100 × 190 = 19.
Choose an option to check your answer.
24 + 9 = 33.
Choose an option to check your answer.
21 + 8 = 29.
Choose an option to check your answer.
The sum is 76 and there are 4 values, so the average is 19.
Choose an option to check your answer.
The sum is 133 and there are 7 values, so the average is 19.
Choose an option to check your answer.
10% of 140 = 10/100 × 140 = 14.
Choose an option to check your answer.
Divide both sides by 2: x = 14/2 = 7.
Choose an option to check your answer.
90 + 10 = 100.
Choose an option to check your answer.
Divide both sides by 2: x = 14/2 = 7.
Choose an option to check your answer.
The sum is 207 and there are 9 values, so the average is 23.
