Number System Sum of the digits number is 8 and their product is 12. Find the difference between the digits? 2 6 None 4 2 6 None 4 ANSWER EXPLANATION DOWNLOAD EXAMIANS APP x + y = 8xy = 12(x – y)2 = (x + y)2 – 4xy (x – y)2 = 64 – 48 => (x – y) = 4
Number System Three numbers which are co-prime to one another are such that the product of the first two 551 and that of the last two is 1073. The sum of the three numbers is 85 93 74 110 85 93 74 110 ANSWER EXPLANATION DOWNLOAD EXAMIANS APP 85
Number System On dividing number by 357, we get 39 as remainder. On dividing the same number by 17, what will be the remainder? 11 0 3 5 11 0 3 5 ANSWER DOWNLOAD EXAMIANS APP
Number System Find the least number which when divided by 35 and 11 leaves a remainder of 1 in each case. 388 384 386 391 388 384 386 391 ANSWER DOWNLOAD EXAMIANS APP
Number System Find the smallest number which when divided by 13 and 16 leaves respective remainders of 2 and 5. 197 187 207 219 197 187 207 219 ANSWER EXPLANATION DOWNLOAD EXAMIANS APP Let 'N' is the smallest number which divided by 13 and 16 leaves respective remainders of 2 and 5.Required number = (LCM of 13 and 16) - (common difference of divisors and remainders) = (208) - (11) = 197.
Number System In an examination, 68% of the total examinees passed. If the number of failures is 248, the total number of examinees is 640 725 775 750 640 725 775 750 ANSWER EXPLANATION DOWNLOAD EXAMIANS APP Failed students are 32% which is 248.∴ Total = 24800/32 = 775