Number System 486+32×25—59=? 528 596 567 582 528 596 567 582 ANSWER EXPLANATION DOWNLOAD EXAMIANS APP 528
Number System What is the least number that should be added to 5200 to make it a perfect square ? 275 288 225 129 275 288 225 129 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 What least number must be subtracted from 2641 so that the remainder left, when divided by 10,15 and 25, is 7 in each case ? 81 87 84 94 81 87 84 94 ANSWER EXPLANATION DOWNLOAD EXAMIANS APP LCM of 10, 15, 25 = 150When we drive 2641 by 150 the remainder is 91.But the remainder should be 7.So, the number to be subtracted from 2641 is 91 - 7 = 84.
Number System The sum of three consecutive even numbers is 252. What is the sum of the smallest and the largest numbers? 171 170 168 169 171 170 168 169 ANSWER EXPLANATION DOWNLOAD EXAMIANS APP 168
Number System 4/6 of 6/5 of 5/7 of a number is 96. Find the number. 162 168 170 164 162 168 170 164 ANSWER EXPLANATION DOWNLOAD EXAMIANS APP Let the number be x.∴ x x 4/6 x 6/5 x 5/7 = 96∴ x = 96 x 6 x 5 x 7/4 x 6 x 5 = 168
Number System 480% of 350 + 620% of 275 = ? 5385 2385 4385 3385 5385 2385 4385 3385 ANSWER EXPLANATION DOWNLOAD EXAMIANS APP ? = 480 x 350/100 + 620 x 275/100= 1680 + 1705 = 3385
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