Number System What should come in place of the question mark (?) in the following number series ? 888 888 444 148 ? 7.4 35 37 29 33 35 37 29 33 ANSWER EXPLANATION DOWNLOAD EXAMIANS APP 888 ÷ 1 = 888888 ÷ 2 = 444444 ÷ 3 = 148148 ÷ 4 = 3737 ÷ 5 = 7.4
Number System The difference between two integers is 5. Their product is 500. Find the numbers. 20, 25 15, 20 30, 25 21, 26 20, 25 15, 20 30, 25 21, 26 ANSWER EXPLANATION DOWNLOAD EXAMIANS APP Let the integers be x and (x + 5). Then, x(x + 5) = 500 x2 + 5x - 500 = 0 (x + 25)(x - 20) = 0 x = 20So, the numbers are 20 and 25.
Number System In how many different ways can the letters of word "COLLEGE" be arranged ? 1260 1240 1280 1300 1260 1240 1280 1300 ANSWER EXPLANATION DOWNLOAD EXAMIANS APP Number of ways = 7!/2!2! = 1260(∵ L and E come twice)
Number System Given √2 = 1.414, the value of √8 + 2√32 - 3√128 + 4√50 is 8.484 8.684 8.784 8.584 8.484 8.684 8.784 8.584 ANSWER EXPLANATION DOWNLOAD EXAMIANS APP 8.484
Number System What is the sum of all the numbers between 300 and 1000 which are divisible by 179? 2527 2517 2607 2506 2527 2517 2607 2506 ANSWER EXPLANATION DOWNLOAD EXAMIANS APP 358/179 ….. 895/179179(2 + 3 + 4 + 5) => 2506
Number System 148 x 3.75 x 4 = 111 x ? 24 20 19 17 24 20 19 17 ANSWER EXPLANATION DOWNLOAD EXAMIANS APP ? = 148 x 3.75 x 4/111 = 20
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