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 11 12 10 13 11 12 10 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 Which choice provides the answer in the following : If 2 * 3 = 36, 5 * 4 = 400, 6 * 2 = 144, 3 * 3 = 81; then, 5 * 5 = ? 625 525 425 325 625 525 425 325 ANSWER EXPLANATION DOWNLOAD EXAMIANS APP 625
Number System What is the difference between the largest and the smallest number written with 7, 7, 0, 7? 6893 6993 693 6093 6893 6993 693 6093 ANSWER DOWNLOAD EXAMIANS APP
Number System 9 3/4 + 7 2/17 - 9 1/15 = ? 9 719/1020 7 719/1020 7 817/1020 9 817/1020 9 719/1020 7 719/1020 7 817/1020 9 817/1020 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 The average of five consecutive even numbers A, B, C, D and E is 42. What is the product of B and D ? 4589 2476 3289 1760 4589 2476 3289 1760 ANSWER EXPLANATION DOWNLOAD EXAMIANS APP A + B + C + D + E/5 = 42∴ C = 42, ∴ B = 40, ∴ D = 44∴ B x D = 40 x 44 = 1760
Number System Complete the series : 1, 8, 27, 64, 125, 216 ..... 373 343 363 353 373 343 363 353 ANSWER EXPLANATION DOWNLOAD EXAMIANS APP 343
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