Number System The difference between a number and its three-fifth is 50. What is the number? None of these 75 125 100 None of these 75 125 100 ANSWER EXPLANATION DOWNLOAD EXAMIANS APP x - 3/5 x = 50 => 2/5 x = 50x = (50 * 5)/2 = 125.
Number System Let R = qs—4. When s=8, R=16. When s=10, R is equal to 21 22 20 23 21 22 20 23 ANSWER EXPLANATION DOWNLOAD EXAMIANS APP 21
Number System If 4 2/3 is subtracted form 10 1/2 and the difference is multiplied by 450, then what is the final answer? 2725 None of these 2675 2875 2725 None of these 2675 2875 ANSWER DOWNLOAD EXAMIANS APP
Number System On dividing number by 5, we get 3 as remainder. What will be the remainder when the square of this number is divided by 5? 0 4 2 1 0 4 2 1 ANSWER DOWNLOAD EXAMIANS APP
Number System If the numerator of a fraction is decreased by 12.5% and the denominator is increased by 180% the resultant fraction is 1/2. What is the original fraction ? 7/5 3/5 8/5 1/5 7/5 3/5 8/5 1/5 ANSWER EXPLANATION DOWNLOAD EXAMIANS APP Let the original fraction be x/y.∴ x x 87.5/100/y x 280/100 = 1/2or 87.5x/280y = 1/2∴ 175x = 280y∴ x/y = 280/175 = 8/5
Number System Two third of three- fifth of one fourth of a number is 24, what is 30% of that number? 69 72 90 42 69 72 90 42 ANSWER EXPLANATION DOWNLOAD EXAMIANS APP x * 2/3 * 3/5 * 1/4 = 24x = 240240 * 30/100 = 72
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