Number System What is the least number, which is perfect square but contains 2700 as its factor? 10800 2700 5400 1800 10800 2700 5400 1800 ANSWER EXPLANATION DOWNLOAD EXAMIANS APP 900 * 3 * 3 = 8100
Number System A certain number when divided by 39 leaves a remainder 20, what is the remainder when the same number is divided by 13? 11 7 5 0 11 7 5 0 ANSWER EXPLANATION DOWNLOAD EXAMIANS APP 39 + 20 = 59/13 = 7 (Remainder)
Number System Find the least number with which 16200 should be multiplied, to make it a perfect cube. 360 45 48 36 360 45 48 36 ANSWER DOWNLOAD EXAMIANS APP
Number System If the difference between a number and its three-fourth is 18, find the number. 61 57 72 68 61 57 72 68 ANSWER EXPLANATION DOWNLOAD EXAMIANS APP Let the number be x.According to the question,x - 3x/4 = 18= x/4 = 18= x = 4 x 18 = 72
Number System 217 * 217 + 183 * 183 = ? 79698 80698 81268 80578 79698 80698 81268 80578 ANSWER DOWNLOAD EXAMIANS APP
Number System 3√103820 x 3√274620 = ? 3045 3065 3035 3055 3045 3065 3035 3055 ANSWER EXPLANATION DOWNLOAD EXAMIANS APP 3√103820 = 47 and 3√274620 = 65 ∴ ? = 47 x 65 = 3055
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