Number System What value should come in place of ? in the given number series ? 15, 51, 162, 498, 1509, ? 4545 5656 3434 7878 4545 5656 3434 7878 ANSWER EXPLANATION DOWNLOAD EXAMIANS APP 15, (15 + 2) x 3 = 51,(51 + 3) x 3 = 162, (162 + 4) x 3 = 498, (498 + 5) x 3 = 1509(1509 + 6) x 3 = 4545
Number System How many numbers up to 200 are divisible by 2 and 3 both? 27 33 35 29 27 33 35 29 ANSWER EXPLANATION DOWNLOAD EXAMIANS APP 200/6 = 33 2/6 => 33 Numbers
Number System If one third of 3/4 of a number is 21. Then find the number? 84 63 630 840 84 63 630 840 ANSWER DOWNLOAD EXAMIANS APP
Number System 3√103820 x 3√274620 = ? 3045 3055 3065 3035 3045 3055 3065 3035 ANSWER EXPLANATION DOWNLOAD EXAMIANS APP 3√103820 = 47 and 3√274620 = 65 ∴ ? = 47 x 65 = 3055
Number System Find the greatest number which leaves the same remainder when it divides 25, 57 and 105. 16 18 8 12 16 18 8 12 ANSWER EXPLANATION DOWNLOAD EXAMIANS APP 105 - 57 = 4857 - 25 = 32105 - 25 = 80The H.C.F of 32, 48 and 80 is 16.
Number System If the difference between a number and its 2/5 is 240, find the number. 400 480 440 360 400 480 440 360 ANSWER EXPLANATION DOWNLOAD EXAMIANS APP Let the no. be x Therefore x - 2x/5 = 240, Therefore, 3x/5 = 240Therefore, x = 240x5/3 = 400
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