Number System What least number must be subtracted from 2641 so that the remainder left, when divided by 10,15 and 25, is 7 in each case ? 81 94 87 84 81 94 87 84 ANSWER EXPLANATION DOWNLOAD EXAMIANS APP LCM of 10, 15, 25 = 150When we drive 2641 by 150 the remainder is 91.But the remainder should be 7.So, the number to be subtracted from 2641 is 91 - 7 = 84.
Number System 3√103823 = ? 41 47 44 52 41 47 44 52 ANSWER EXPLANATION DOWNLOAD EXAMIANS APP ? = 3√103823 = 3√47 x 47 x 47 = 47
Number System Three numbers which are co-prime to one another are such that the product of the first two 551 and that of the last two is 1073. The sum of the three numbers is 85 110 93 74 85 110 93 74 ANSWER EXPLANATION DOWNLOAD EXAMIANS APP 85
Number System If (35)² is added to the square of a number the answer so obtained is 1394. What is the number ? 13 15 11 17 13 15 11 17 ANSWER EXPLANATION DOWNLOAD EXAMIANS APP Let the number be x Therefore, x² + (35)² = 1394Therefore, x² = 1394 - (35)² = 1394 - 1225 = 169Therefore, x = √169 = 13
Number System Find the least number when successively divided by 2, 3 and 7 leaves remainders 1, 2 and 3 respectively? 67 61 65 75 67 61 65 75 ANSWER DOWNLOAD EXAMIANS APP
Number System Write the next number in the series : 14, 16, 13, 17, 12, 18, 11 .... 19 1 7 15 19 1 7 15 ANSWER EXPLANATION DOWNLOAD EXAMIANS APP 19
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