Number System Simplify the 121 * 175 + 363 * 275 None of these 328100 316600 363000 None of these 328100 316600 363000 ANSWER EXPLANATION DOWNLOAD EXAMIANS APP 121 * 175 + 363 * 275 => 121 * 175 + 121 * 3 * 275121 * 175 + 121 * 825= 121 * (175 + 825) = 121000
Number System When the square of a number is substracted from (68)², the answer so obtained is 2508. What is the number ? 45 44 47 46 45 44 47 46 ANSWER EXPLANATION DOWNLOAD EXAMIANS APP (68)² - x² = 2508Therefore, x² = 4624 = 2508Therefore, x = root of 2116 = 46
Number System What is the least number that should be added to 5200 to make it a perfect square ? 275 225 288 129 275 225 288 129 ANSWER EXPLANATION DOWNLOAD EXAMIANS APP We sec (73)² = 5329 and (72)² = 5184ie 5329 > 5200 > 5184So 129 should be added to make is perfect square.
Number System 64% of 2650+40% 0f 320=? 2096 1247 1824 1578 2096 1247 1824 1578 ANSWER EXPLANATION DOWNLOAD EXAMIANS APP 1824
Number System What is the remainder when 263251 is divided by 9? 1 3 8 6 1 3 8 6 ANSWER EXPLANATION DOWNLOAD EXAMIANS APP If the sum of the digits of a number is divisible by 9, the number will be divisible by 9.2 + 6 + 3 + 2 + 5 + 1 = 19The nearest multiple of 9 is 18.19 - 18 = 1.
Number System What is 432 times 119 ? 52408 50408 53408 51408 52408 50408 53408 51408 ANSWER EXPLANATION DOWNLOAD EXAMIANS APP No. 432 x 119 = 51408
EXAMIANS