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? 90 110 None of these 100 90 110 None of these 100 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 If 70% of an equal to 40% of b, then ratio between a and b is? 7: 4 4: 7 7: 11 None 7: 4 4: 7 7: 11 None ANSWER EXPLANATION DOWNLOAD EXAMIANS APP 70 a = 40 ba: b = 4: 7
Number System 450% of a number is 4725. What is 82% of that number ? 851 841 861 871 851 841 861 871 ANSWER EXPLANATION DOWNLOAD EXAMIANS APP Let the number be x.∴ x x 450/100 = 4725= x = 4725 x 100/450 = 1050∴ 82% of 1050 = 1050 x 82/100= 861
Number System Four-fifth of a number is 10 more than two-third of the same number. What is the number? 91 89 75 35 91 89 75 35 ANSWER EXPLANATION DOWNLOAD EXAMIANS APP 75
Number System By how much is 3/5th of 875 greater than 2/3 of 333? 362 303 233 199 362 303 233 199 ANSWER EXPLANATION DOWNLOAD EXAMIANS APP 3/5th of 875 is greater than 2/3rd of 333= 3/5 * 875 - 2/3 * 333= 525 - 222 = 303.
Number System What least number shall be added to 4700 to make it a perfect square ? 81 71 91 61 81 71 91 61 ANSWER EXPLANATION DOWNLOAD EXAMIANS APP (69)² = 4761 and (68)² = 4624Clerly 4624 < 4700 < 4761So 61 should be added to make 4700 a perfect square.
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