Number System What should come in place of (?) in the following series ? 10, 19, 30, 43, 58, ? 76 77 78 75 76 77 78 75 ANSWER EXPLANATION DOWNLOAD EXAMIANS APP The series is: +9, +11, +13, +15, +17
Number System 7589 - ? = 3434 1123 11023 4155 4242 1123 11023 4155 4242 ANSWER EXPLANATION DOWNLOAD EXAMIANS APP Let 7589 - x = 3434Then x = 7589 - 3434 = 4155
Number System The difference between two integers is 5. Their product is 500. Find the numbers. 15, 20 30, 25 21, 26 20, 25 15, 20 30, 25 21, 26 20, 25 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 A number consists of two digits. If the digits interchange places and the new number is added to the original number, then the resulting number will be divisible by: 3 5 11 9 3 5 11 9 ANSWER EXPLANATION DOWNLOAD EXAMIANS APP Let the ten's digit be x and unit's digit be y. Then, number 10x + y.Number obtained by interchanging the digits = 10y + x.(10x + y) + (10y + x) = 11(x + y)which is divisible by 11.
Number System 7432 ÷ 32 x ? = 2787 12 78 41 21 12 78 41 21 ANSWER EXPLANATION DOWNLOAD EXAMIANS APP 7432/32 x ? = 2787= ? = 2787 x 32/7432 = 12
Number System (12.11)2 + (?)2 = 732.2921 20.2 14.2 17.2 24.2 20.2 14.2 17.2 24.2 ANSWER EXPLANATION DOWNLOAD EXAMIANS APP 24.2
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