Number System What should come in the place of ' ? ' in the following number series ? 2, 5, 9, 19, 37, ? 77 76 75 78 77 76 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 35%of ?=242 542 394 693 487 542 394 693 487 ANSWER EXPLANATION DOWNLOAD EXAMIANS APP 693
Number System What is the missing number in this series? 8 2 14 6 11 ? 14 6 18 12 3 9 2 7 3 9 2 7 ANSWER EXPLANATION DOWNLOAD EXAMIANS APP 9
Number System (1024—263—233)÷(986—764— 156) =? 8 10 None of these 6 8 10 None of these 6 ANSWER EXPLANATION DOWNLOAD EXAMIANS APP 8
Number System The sum of a number and its reciprocal is one-eighth of 34. What is the product of the number and its square root? 32 None of these 8 27 32 None of these 8 27 ANSWER EXPLANATION DOWNLOAD EXAMIANS APP Let the number be x. Then,x + 1/x = 34/8 8x2 - 34x + 8 = 0 4x2 - 17x + 4 = 0 (4x - 1)(x - 4) = 0 x = 4required number = 4 * √4 = 4 * 2 = 8.
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? 100 None of these 110 90 100 None of these 110 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.
EXAMIANS