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? 110 100 None of these 90 110 100 None of these 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 35 + 15 * 1.5 = ? 5.25 51.5 75 57.5 5.25 51.5 75 57.5 ANSWER EXPLANATION DOWNLOAD EXAMIANS APP Given Exp. = 35 + 15 * 3/2 = 35 + 45/2 = 35 + 22.5 = 57.5
Number System The difference between a positive proper fraction and its reciprocal is 9/20. The fraction is: 5/4 3/5 3/10 4/5 5/4 3/5 3/10 4/5 ANSWER EXPLANATION DOWNLOAD EXAMIANS APP 1/x - x = 9/20 20x2 + 9x - 20 = 0 20x2 + 25x - 16x - 20 = 0 5x(4x + 5) -4(4x + 5) = 0(4x + 5)(5x - 4) = 0x = 4/5
Number System A number exceeds by 25 from its 3/8 part. Then the number is? 40 32 35 39 40 32 35 39 ANSWER DOWNLOAD EXAMIANS APP
Number System Which one of the following is the sum of the numbers 1, 3, 5, 7, 9…. up to nth number? N(N + 1) N(N + 1)/2 N2 N2 + 1 N(N + 1) N(N + 1)/2 N2 N2 + 1 ANSWER DOWNLOAD EXAMIANS APP
Number System Find the least value of 3x + 4y if x2y3 = 6. 6 3 10 7 6 3 10 7 ANSWER EXPLANATION DOWNLOAD EXAMIANS APP 10
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