Number System What is the missing number in this series? 8 2 14 6 11 ? 14 6 18 12 3 7 2 9 3 7 2 9 ANSWER EXPLANATION DOWNLOAD EXAMIANS APP 9
Number System 450% of a number is 4725. What is 82% of that number ? 861 871 851 841 861 871 851 841 ANSWER EXPLANATION DOWNLOAD EXAMIANS APP Let the number be x.∴ x x 450/100 = 4725= x = 4725 x 100/450 = 1050∴ 82% of 1050 = 1050 x 82/100= 861
Number System (12.04 x 7.5 + 0.8 x 45) ÷ 3 = ? 42.6 45 42.1 54.7 42.6 45 42.1 54.7 ANSWER EXPLANATION DOWNLOAD EXAMIANS APP (90.3 + 36) ÷ 3 = 126.3/3 = 42.1
Number System The peresent age of the father and the son are in the ratio of 8:3. After 12 years the ratio of their ages will be 2:1. What is the sum of the present age of the father and the son ? 67 years 66 years 68 years 69 years 67 years 66 years 68 years 69 years ANSWER EXPLANATION DOWNLOAD EXAMIANS APP Let the present age of the father be 'x' and that of the son be 'y'. Then x/y = 8/3∴ 3x = 8y Further, x + 12/y + 12 = 2/1 ∴ x + 12 = 2y + 24 ∴ x - 2y = 12 ......(ii)From eqn (i) and (ii), x = 48, y = 18 ∴ sum = 66 yrs.
Number System Which is the largest fraction among the following ? 21/23 24/25 21/22 12/13 21/23 24/25 21/22 12/13 ANSWER EXPLANATION DOWNLOAD EXAMIANS APP 21/23 = 0.913,12/13 = 0.92323/25 = 0.92, 21/22 = 0.9545, 24/25 = 0.96
Number System If the product of two successive positive integers is 4692, what is the smaller number ? 68 66 64 70 68 66 64 70 ANSWER EXPLANATION DOWNLOAD EXAMIANS APP ∵ 68 x 69 = 4692
EXAMIANS