Number System 3√68921 = ? 31 51 21 41 31 51 21 41 ANSWER EXPLANATION DOWNLOAD EXAMIANS APP ? = 3√68921= 3√41 x 41 x 41= 41
Number System Find the average of the following set of scores 450, 1050, 12, 390, 143, 286, 550, 999 495 485 480 490 495 485 480 490 ANSWER EXPLANATION DOWNLOAD EXAMIANS APP Required average score = (450 + 1050 + 12 + 390 + 143 + 286 + 550 + 999) / 8 = 3880 / 8 = 485
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 ?125÷5x ?=6265 1452 153 124 1253 1452 153 124 1253 ANSWER EXPLANATION DOWNLOAD EXAMIANS APP 1253
Number System In how many different ways can the letters of word "COLLEGE" be arranged ? 1280 1300 1240 1260 1280 1300 1240 1260 ANSWER EXPLANATION DOWNLOAD EXAMIANS APP Number of ways = 7!/2!2! = 1260(∵ L and E come twice)
Number System A basket contains 5 blue, 4 green and 3 red ball. If three balls are picked at random, what is the probability that at least one is red ? 32/51 31/58 34/55 37/52 32/51 31/58 34/55 37/52 ANSWER EXPLANATION DOWNLOAD EXAMIANS APP Probability of having no red ball is9C3 / 12C3 = 21/55Probability of having at least one red ball is 1 - 21/55 = 34/55
EXAMIANS