Number System 9 3/4 + 7 2/17 - 9 1/15 = ? 9 817/1020 9 719/1020 7 817/1020 7 719/1020 9 817/1020 9 719/1020 7 817/1020 7 719/1020 ANSWER EXPLANATION DOWNLOAD EXAMIANS APP Given sum = 9 + 3/4 + 7 + 2/17 - (9 + 1/15)= (9 + 7 - 9) + (3/4 + 2/17 - 1/15)= 7 + (765 + 120 - 68)/1020 = 7 817/1020
Number System What is the remainder when 263251 is divided by 9? 8 3 6 1 8 3 6 1 ANSWER EXPLANATION DOWNLOAD EXAMIANS APP If the sum of the digits of a number is divisible by 9, the number will be divisible by 9.2 + 6 + 3 + 2 + 5 + 1 = 19The nearest multiple of 9 is 18.19 - 18 = 1.
Number System On dividing 2272 as well as 875 by 3-digit number N, we get the same remainder. The sum of the digits of N is: 13 10 11 12 13 10 11 12 ANSWER EXPLANATION DOWNLOAD EXAMIANS APP Clearly, (2272 - 875) = 1397, is exactly divisible by N.Now. 1397 = 11 * 127The required 3-digit number is 127, the sum of whose digit is 10.
Number System If one-seventh of a number is 55 then 40% of that number = ? 163 171 147 154 163 171 147 154 ANSWER EXPLANATION DOWNLOAD EXAMIANS APP Let the no. be x , Therefore, x/7 = 55Therefore, x = 55 x 7 = 385Therefore, 49% of 385 = 154
Number System Let R = qs—4. When s=8, R=16. When s=10, R is equal to 22 20 23 21 22 20 23 21 ANSWER EXPLANATION DOWNLOAD EXAMIANS APP 21
Number System The sum of two numbers is 25 and their difference is 13. Find their product. 315 325 114 104 315 325 114 104 ANSWER EXPLANATION DOWNLOAD EXAMIANS APP Let the numbers be x and y. Then x + y = 25 and x - y = 13.x = 19; y = 6xy = 19 * 6 = 114
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