Number System What is the greater of the two numbers whose product is 2560, given that the sum of the two numbers exceeds their difference by 64? 110 None of these 100 90 110 None of these 100 90 ANSWER EXPLANATION DOWNLOAD EXAMIANS APP Let the greater and the smaller number be g and s respectively.gs = 2560g + s exceeds g - s by 64 i.e., g + s - (g - s) = 64i.e., 2s = 64 => s = 32.g = 2560/s = 80.
Number System A certain number of two digits is three times the sum of its digits. If 45 be added to it, the digits are reversed. The number is: 24 22 30 27 24 22 30 27 ANSWER EXPLANATION DOWNLOAD EXAMIANS APP 27
Number System What should come in the place of ' ? ' in the following number series ? 2, 5, 9, 19, 37, ? 76 77 75 78 76 77 75 78 ANSWER EXPLANATION DOWNLOAD EXAMIANS APP 2 x 2 + 1 = 5;5 x 2 - 1 = 99 x 2 + 1 = 19: 19 x 2 - 1 = 3737 x 2 + 1 = 75
Number System How many numbers up to 200 are divisible by 2 and 3 both? 29 27 33 35 29 27 33 35 ANSWER EXPLANATION DOWNLOAD EXAMIANS APP 200/6 = 33 2/6 => 33 Numbers
Number System Three numbers are in ratio of 3: 4 :5. If the sum of first & third numbers is more than second number by 52, which will be largest number? 65 78 34 23 65 78 34 23 ANSWER EXPLANATION DOWNLOAD EXAMIANS APP 65
Number System If the numberator of a fraction is increased by 50% and denominator by 20% the fraction become 9/15. What was the original fraction ? 3/5 6/7 13/25 12/25 3/5 6/7 13/25 12/25 ANSWER EXPLANATION DOWNLOAD EXAMIANS APP Let the fraction be x/yWe have 150x/120y = 9/15= x/y = 12/25
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