Practice Quantitative Ability questions with answers and explanations.
Choose an option to check your answer.
The sum is 168 and there are 8 values, so the average is 21.
Choose an option to check your answer.
Divide both sides by 4: x = 36/4 = 9.
Choose an option to check your answer.
Simple interest = P×R×T/100 = 7200×5×4/100 = 1440.
Choose an option to check your answer.
Divide both sides by 3: x = 12/3 = 4.
Choose an option to check your answer.
Divide both sides by 2: x = 22/2 = 11.
Choose an option to check your answer.
15 + 6 = 21.
Choose an option to check your answer.
The sum is 105 and there are 5 values, so the average is 21.
Choose an option to check your answer.
33 + 5 = 38.
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.
The sum is 217 and there are 7 values, so the average is 31.
Choose an option to check your answer.
Simple interest = P×R×T/100 = 6200×5×2/100 = 620.
Choose an option to check your answer.
20% of 210 = 20/100 × 210 = 42.
