Number System What is the difference between the largest number and the least number written with the digits 7, 3, 1, 4? 6048 6184 6084 5084 6048 6184 6084 5084 ANSWER DOWNLOAD EXAMIANS APP
Number System The difference between 71% of a number and 46% and of the same number is 212. What is 75% of that number 845 673 636 724 845 673 636 724 ANSWER EXPLANATION DOWNLOAD EXAMIANS APP Let the number be x.∴ 71% of x - 46% of x = 212∴ (71 - 46)% of x = 212∴ 25/100 x x = 212∴ x = 212 x 4 = 848∴ 75% of 848 = 848 x 75/100 = 636
Number System Which number should replace question mark (?) in the following equation ? ?/342 = 38/? 112 116 118 114 112 116 118 114 ANSWER EXPLANATION DOWNLOAD EXAMIANS APP (?)² = 342 x 38Therefore, ? = √342 x 38 = √38 x 9 x 38 = 38 x 3 = 114
Number System Find the smallest number which should be multiplied with 520 to make it a perfect square. 30 55 120 None of these 30 55 120 None of these ANSWER DOWNLOAD EXAMIANS APP
Number System {3√4913}² = ? 121 225 289 333 121 225 289 333 ANSWER EXPLANATION DOWNLOAD EXAMIANS APP ? = (3√4913)² = (17)² = 289
Number System 4.78% of 1255 + 3.24% of 440=0.5% of ? 11849 13849 12849 14849 11849 13849 12849 14849 ANSWER EXPLANATION DOWNLOAD EXAMIANS APP 0.5 x ?/100 = 4.78 x 1255/100 + 3.24 x 440/100= 59.989 + 14.256∴ ? = 74.245 x 100/0.5 = 14849
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