Number System If the following fractions 7/6, 6/7, 5/3, 8/13 and 6/5 are arranged in descending order, which will be the last in the series? 9/13 8/13 7/13 6/13 9/13 8/13 7/13 6/13 ANSWER EXPLANATION DOWNLOAD EXAMIANS APP 7/6 = 1.166, 6/7 = 0.857,5/3 = 1.66,8/13 = 0.615,6/5 = 1.2Therefore, 5/3 > 6/5 > 7/6 > 6/7 > 8/13
Number System Thrice the square of a natural number decreased by 4 times the number is equal to 50 more than the number. The number is: 6 4 10 5 6 4 10 5 ANSWER DOWNLOAD EXAMIANS APP
Number System (12.04 x 7.5 + 0.8 x 45) ÷ 3 = ? 54.7 42.6 42.1 45 54.7 42.6 42.1 45 ANSWER EXPLANATION DOWNLOAD EXAMIANS APP (90.3 + 36) ÷ 3 = 126.3/3 = 42.1
Number System The number of prime factors of (6)10×(7)17×(55)27 101 61 41 91 101 61 41 91 ANSWER EXPLANATION DOWNLOAD EXAMIANS APP 91
Number System The difference between 71% of a number and 46% and of the same number is 212. What is 75% of that number 673 845 636 724 673 845 636 724 ANSWER EXPLANATION DOWNLOAD EXAMIANS APP Let the number be x.∴ 71% of x - 46% of x = 212∴ (71 - 46)% of x = 212∴ 25/100 x x = 212∴ x = 212 x 4 = 848∴ 75% of 848 = 848 x 75/100 = 636
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