Number System 2536+4851—?=3450+313 6784 4567 5243 3624 6784 4567 5243 3624 ANSWER EXPLANATION DOWNLOAD EXAMIANS APP 3624
Number System Ratio between two numbers is 3: 4 and their sum is 420. Find the smaller number? 240 140 160 180 240 140 160 180 ANSWER DOWNLOAD EXAMIANS APP
Number System What should come in the place of ' ? ' in the following number series ? 2, 5, 9, 19, 37, ? 75 77 76 78 75 77 76 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 ways can 5 boys be chosen from 6 boys and 4 girls so as to include exactly one girl ? 58 56 60 54 58 56 60 54 ANSWER EXPLANATION DOWNLOAD EXAMIANS APP One girl can be chosen in 4C1 = 4 ways and 4 boys can be chosen in 6C4 = 15 ways ∴ Total number of ways = 4 x 15 = 60 ways.
Number System What is the sum of all the numbers between 300 and 1000 which are divisible by 179? 2506 2517 2527 2607 2506 2517 2527 2607 ANSWER EXPLANATION DOWNLOAD EXAMIANS APP 358/179 ….. 895/179179(2 + 3 + 4 + 5) => 2506
Number System If a number is multiplied by. three-fourth of itself, the value thus obtained is 10800. What is that number ? 120 260 180 60 120 260 180 60 ANSWER EXPLANATION DOWNLOAD EXAMIANS APP Let the number be x.∴ x x 3x/4 = 10800= x² = 10800 x 4/3 = 14400∴ x = √14400 = 120
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