Number System The number of prime factors of (6)10×(7)17×(55)27 61 101 91 41 61 101 91 41 ANSWER EXPLANATION DOWNLOAD EXAMIANS APP 91
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 In how many different ways can the letters of the word TEST' be arranged ? 8 10 12 16 8 10 12 16 ANSWER EXPLANATION DOWNLOAD EXAMIANS APP The word TEST consists of 4 letters in which T comes twice ∴ Number of arrangements= 4!/2! = 4 x 3 x 2 x 1/2 x 1 = 12
Number System Find the greatest number which leaves the same remainder when it divides 25, 57 and 105. 16 8 12 18 16 8 12 18 ANSWER EXPLANATION DOWNLOAD EXAMIANS APP 105 - 57 = 4857 - 25 = 32105 - 25 = 80The H.C.F of 32, 48 and 80 is 16.
Number System Find the average of the following set of scores 450, 1050, 12, 390, 143, 286, 550, 999 485 490 480 495 485 490 480 495 ANSWER EXPLANATION DOWNLOAD EXAMIANS APP Required average score = (450 + 1050 + 12 + 390 + 143 + 286 + 550 + 999) / 8 = 3880 / 8 = 485
Number System If 2^(2x-1) = 8^(3-x), then the value of x is: 2 9 5 6 2 9 5 6 ANSWER EXPLANATION DOWNLOAD EXAMIANS APP 2
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