Number System A number when multiplied by five times of itself give the value equal to 1445. What is the number ? 15 18 16 17 15 18 16 17 ANSWER EXPLANATION DOWNLOAD EXAMIANS APP x x 5x = 1445= 5x² = 1445= x² = 289∴ x = 17
Number System 64% of 2650+40% 0f 320=? 2096 1824 1247 1578 2096 1824 1247 1578 ANSWER EXPLANATION DOWNLOAD EXAMIANS APP 1824
Number System A number consists of two digits. If the digits interchange places and the new number is added to the original number, then the resulting number will be divisible by: 11 9 3 5 11 9 3 5 ANSWER EXPLANATION DOWNLOAD EXAMIANS APP Let the ten's digit be x and unit's digit be y. Then, number 10x + y.Number obtained by interchanging the digits = 10y + x.(10x + y) + (10y + x) = 11(x + y)which is divisible by 11.
Number System Which number should replace question mark (?) in the following equation ? ?/342 = 38/? 114 118 116 112 114 118 116 112 ANSWER EXPLANATION DOWNLOAD EXAMIANS APP (?)² = 342 x 38Therefore, ? = √342 x 38 = √38 x 9 x 38 = 38 x 3 = 114
Number System 480% of 350 + 620% of 275 = ? 2385 3385 4385 5385 2385 3385 4385 5385 ANSWER EXPLANATION DOWNLOAD EXAMIANS APP ? = 480 x 350/100 + 620 x 275/100= 1680 + 1705 = 3385
Number System 486+32×25—59=? 596 567 582 528 596 567 582 528 ANSWER EXPLANATION DOWNLOAD EXAMIANS APP 528
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