Number System If R2 = S3 = K, where R, S and K are integers. Find the smallest positive integral value of K. (Greater than 1) 54 64 75 88 54 64 75 88 ANSWER EXPLANATION DOWNLOAD EXAMIANS APP 64
Number System What is the sum of 1 + 2 + 3+ ... + 27 ? 378 343 396 382 378 343 396 382 ANSWER EXPLANATION DOWNLOAD EXAMIANS APP Sum = 27 x (27 + 1)/2= 27 x 28/2= 27 x 14= 378
Number System What value should come in place of ? in the given number series ? 15, 51, 162, 498, 1509, ? 7878 5656 3434 4545 7878 5656 3434 4545 ANSWER EXPLANATION DOWNLOAD EXAMIANS APP 15, (15 + 2) x 3 = 51,(51 + 3) x 3 = 162, (162 + 4) x 3 = 498, (498 + 5) x 3 = 1509(1509 + 6) x 3 = 4545
Number System The sum of the digits of a two digit number is 12. If the new number formed by reversing the digits is greater than the original number by 54, then what will be the original number? 69 49 59 39 69 49 59 39 ANSWER EXPLANATION DOWNLOAD EXAMIANS APP 39
Number System 17580 x 1.8 - 13720 x 2.1 = ? x 2.4 1180 1120 1140 1160 1180 1120 1140 1160 ANSWER EXPLANATION DOWNLOAD EXAMIANS APP 2.4 x ? = 31644 - 28812 = 2832∴ ? = 2832/2.4= 1180
Number System (1024—263—233)÷(986—764— 156) =? 8 None of these 10 6 8 None of these 10 6 ANSWER EXPLANATION DOWNLOAD EXAMIANS APP 8
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