Number System When the square of a number is substracted from (68)², the answer so obtained is 2508. What is the number ? 44 45 47 46 44 45 47 46 ANSWER EXPLANATION DOWNLOAD EXAMIANS APP (68)² - x² = 2508Therefore, x² = 4624 = 2508Therefore, x = root of 2116 = 46
Number System A number exceeds by 25 from its 3/8 part. Then the number is? 32 39 40 35 32 39 40 35 ANSWER DOWNLOAD EXAMIANS APP
Number System One half of a two digit number exceeds its one third by 6. What is the sum of the digits of the number? 5 7 9 3 5 7 9 3 ANSWER EXPLANATION DOWNLOAD EXAMIANS APP x/2 – x/3 = 6=> x =63 + 6 = 9
Number System Which one of the following is the sum of the numbers 1, 3, 5, 7, 9…. up to nth number? N2 N(N + 1)/2 N2 + 1 N(N + 1) N2 N(N + 1)/2 N2 + 1 N(N + 1) ANSWER DOWNLOAD EXAMIANS APP