Number System If the difference between a number and its three-fourth is 18, find the number. 72 57 61 68 72 57 61 68 ANSWER EXPLANATION DOWNLOAD EXAMIANS APP Let the number be x.According to the question,x - 3x/4 = 18= x/4 = 18= x = 4 x 18 = 72
Number System Which number should replace question mark (?) in the following equation ? ?/342 = 38/? 112 114 116 118 112 114 116 118 ANSWER EXPLANATION DOWNLOAD EXAMIANS APP (?)² = 342 x 38Therefore, ? = √342 x 38 = √38 x 9 x 38 = 38 x 3 = 114
Number System Twenty times a positive integer is less than its square by 96. What is the integer? 20 24 30 Cannot be determined 20 24 30 Cannot be determined ANSWER DOWNLOAD EXAMIANS APP
Number System What least number shall be added to 4700 to make it a perfect square ? 81 91 61 71 81 91 61 71 ANSWER EXPLANATION DOWNLOAD EXAMIANS APP (69)² = 4761 and (68)² = 4624Clerly 4624 < 4700 < 4761So 61 should be added to make 4700 a perfect square.
Number System How many figures are required for numbering the pages of a book containing 1000 pages? 6489 2883 2893 3892 6489 2883 2893 3892 ANSWER DOWNLOAD EXAMIANS APP
Number System Write the next number in the series : 14, 16, 13, 17, 12, 18, 11 .... 19 7 15 1 19 7 15 1 ANSWER EXPLANATION DOWNLOAD EXAMIANS APP 19
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