Number System What is the difference between the largest number and the least number written with the digits 7, 3, 1, 4? 6048 6084 6184 5084 6048 6084 6184 5084 ANSWER DOWNLOAD EXAMIANS APP
Number System Simplify the 121 * 175 + 363 * 275 363000 316600 328100 None of these 363000 316600 328100 None of these ANSWER EXPLANATION DOWNLOAD EXAMIANS APP 121 * 175 + 363 * 275 => 121 * 175 + 121 * 3 * 275121 * 175 + 121 * 825= 121 * (175 + 825) = 121000
Number System If (35)² is added to the square of a number the answer so obtained is 1394. What is the number ? 15 11 17 13 15 11 17 13 ANSWER EXPLANATION DOWNLOAD EXAMIANS APP Let the number be x Therefore, x² + (35)² = 1394Therefore, x² = 1394 - (35)² = 1394 - 1225 = 169Therefore, x = √169 = 13
Number System 432+2170+35=? 494 678 523 729 494 678 523 729 ANSWER EXPLANATION DOWNLOAD EXAMIANS APP 494
Number System When the square of a number is substracted from (68)², the answer so obtained is 2508. What is the number ? 45 46 44 47 45 46 44 47 ANSWER EXPLANATION DOWNLOAD EXAMIANS APP (68)² - x² = 2508Therefore, x² = 4624 = 2508Therefore, x = root of 2116 = 46
Number System 6.4 x 8.5 x 25/3.2 x 12.5 = ? 4.5 2.3 3.4 5.6 4.5 2.3 3.4 5.6 ANSWER EXPLANATION DOWNLOAD EXAMIANS APP ? = 6.4 x 8.5 x 2.5/3.2 x 12.5 = 3.4
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