Number System 3√68921 = ? 31 41 51 21 31 41 51 21 ANSWER EXPLANATION DOWNLOAD EXAMIANS APP ? = 3√68921= 3√41 x 41 x 41= 41
Number System On multiplying a number by 7, the product is a number each of whose digits is 3. The smallest such number is: 48619 47719 47619 47649 48619 47719 47619 47649 ANSWER EXPLANATION DOWNLOAD EXAMIANS APP By hit and trail, we find that47619 * 7 = 333333.7) 333333 (47619 333333---------------- 0
Number System Which is the largest fraction among the following ? 21/22 21/23 24/25 12/13 21/22 21/23 24/25 12/13 ANSWER EXPLANATION DOWNLOAD EXAMIANS APP 21/23 = 0.913,12/13 = 0.92323/25 = 0.92, 21/22 = 0.9545, 24/25 = 0.96
Number System (95.6x 910.3) ÷ 92.56256 = 9? 15.54 12.24 13.34 14.44 15.54 12.24 13.34 14.44 ANSWER EXPLANATION DOWNLOAD EXAMIANS APP 13.34
Number System If the sum of five consecutive even numbers A, B, C, D and E is 130, what is the product of A and E ? 780 840 660 720 780 840 660 720 ANSWER EXPLANATION DOWNLOAD EXAMIANS APP Let the consecutive even numbers be A = 2x, B = 2x + 2, C = 2x + 4, D = 2x + 6 and E = 2x + 8= A + B + C + D + E = 130= 10x + 20 = 130∴ x = 130 - 20/10 = 11Therefore, product of A and E= 22 x 30 = 660
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