Number System Find the smallest number which should be multiplied with 520 to make it a perfect square. 120 None of these 55 30 120 None of these 55 30 ANSWER DOWNLOAD EXAMIANS APP
Number System In a division sum, the quotient is 120, the divisor 456 and the remainder 333, find the dividend? 5553 56053 50553 55053 5553 56053 50553 55053 ANSWER EXPLANATION DOWNLOAD EXAMIANS APP 120 * 456 + 333 = 55053
Number System The difference between 8% of a number and 3% of the same number is 39. What is 2.8% of that number ? 27.84 21.84 24.84 25.84 27.84 21.84 24.84 25.84 ANSWER EXPLANATION DOWNLOAD EXAMIANS APP Let the number be x.∴ x(8 - 3)% = 39x = 3900/5 = 780∴ 2.8% of 780= 780 x 2.8/100 = 21.84
Number System On dividing a number by 68, we get 269 as quotient and 0 as remainder. On dividing the same number by 67, what will be the remainder? 3 1 2 0 3 1 2 0 ANSWER EXPLANATION DOWNLOAD EXAMIANS APP Number = 269 * 68 + 0 = 1829267) 18292 (273 18291 -------- 1Required number = 1.
Number System If x + y = 61 and xy = 888, What is the value of x²+ y² ? 1975 1945 1955 1965 1975 1945 1955 1965 ANSWER EXPLANATION DOWNLOAD EXAMIANS APP Because (x + y)² = x² + y² + 2xy∴ x² + y² = (x + y)² - 2xy∴ x² + y² = (61)² - 2 x 888= 3721 - 1776 = 1945
Number System Find the least value of 3x + 4y if x2y3 = 6. 3 10 7 6 3 10 7 6 ANSWER EXPLANATION DOWNLOAD EXAMIANS APP 10
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