Number System Two third of three- fifth of one fourth of a number is 24, what is 30% of that number? 42 90 69 72 42 90 69 72 ANSWER EXPLANATION DOWNLOAD EXAMIANS APP x * 2/3 * 3/5 * 1/4 = 24x = 240240 * 30/100 = 72
Number System 35%of ?=242 394 487 542 693 394 487 542 693 ANSWER EXPLANATION DOWNLOAD EXAMIANS APP 693
Number System Which one of the following represents the sum of the first n even numbers? N(N – 1) N2 N2+ 1 N(N + 1) N(N – 1) N2 N2+ 1 N(N + 1) ANSWER EXPLANATION DOWNLOAD EXAMIANS APP N (N + 1)
Number System What number should replace both the question marks (?) in the following question ? 85 82 83 84 85 82 83 84 ANSWER EXPLANATION DOWNLOAD EXAMIANS APP 84
Number System 450% of a number is 4725. What is 82% of that number ? 851 861 841 871 851 861 841 871 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 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? 6/13 9/13 7/13 8/13 6/13 9/13 7/13 8/13 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