Number System In an examination, 68% of the total examinees passed. If the number of failures is 248, the total number of examinees is 775 640 725 750 775 640 725 750 ANSWER EXPLANATION DOWNLOAD EXAMIANS APP Failed students are 32% which is 248.∴ Total = 24800/32 = 775
Number System Find the nearest to 25268 which is exactly divisible by 467? 25208 25218 25308 25228 25208 25218 25308 25228 ANSWER DOWNLOAD EXAMIANS APP
Number System An urn contains 9 blue, 7 white and 4 black balls. If 2 balls are drawn at random, then what is the probability that only one ball is white ? 90/190 91/190 89/190 92/190 90/190 91/190 89/190 92/190 ANSWER EXPLANATION DOWNLOAD EXAMIANS APP Total possible outcomes = 20C2 = 20 x 19/1 x 2 = 190Total favourable outcomes = 7C1 x 13C1 = 7 x 13 = 91∴ Required probability = 91/190
Number System If R2 = S3 = K, where R, S and K are integers. Find the smallest positive integral value of K. (Greater than 1) 64 75 88 54 64 75 88 54 ANSWER EXPLANATION DOWNLOAD EXAMIANS APP 64
Number System When 102 is reduced from a number, the number gets reduced by 88%. What is that number ? 650 550 750 850 650 550 750 850 ANSWER EXPLANATION DOWNLOAD EXAMIANS APP 850
Number System Thrice the square of a natural number decreased by 4 times the number is equal to 50 more than the number. The number is: 5 4 10 6 5 4 10 6 ANSWER DOWNLOAD EXAMIANS APP