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 ? 94 84 87 81 94 84 87 81 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 What value should come in place of ? in the given number series ? 15, 51, 162, 498, 1509, ? 5656 4545 3434 7878 5656 4545 3434 7878 ANSWER EXPLANATION DOWNLOAD EXAMIANS APP 15, (15 + 2) x 3 = 51,(51 + 3) x 3 = 162, (162 + 4) x 3 = 498, (498 + 5) x 3 = 1509(1509 + 6) x 3 = 4545
Number System 7.8 x 4.5 x 4.2/0.14 = ? 1053 1032 1012 1087 1053 1032 1012 1087 ANSWER EXPLANATION DOWNLOAD EXAMIANS APP 7.8 x 4.5 x 4.2/0.14 = 1053
Number System The sum of the digits of a two digit number is 12. If the new number formed by reversing the digits is greater than the original number by 54, then what will be the original number? 49 59 39 69 49 59 39 69 ANSWER EXPLANATION DOWNLOAD EXAMIANS APP 39
Number System {(742)² ÷ 36} ÷ 2 = ? 421.5 422.5 423.5 420.5 421.5 422.5 423.5 420.5 ANSWER EXPLANATION DOWNLOAD EXAMIANS APP ? = (174 x 174/36) ÷ 2 = 841/2 = 420.5
Number System Let R = qs—4. When s=8, R=16. When s=10, R is equal to 22 21 20 23 22 21 20 23 ANSWER EXPLANATION DOWNLOAD EXAMIANS APP 21
EXAMIANS