Number System Simplify the 121 * 175 + 363 * 275 316600 None of these 363000 328100 316600 None of these 363000 328100 ANSWER EXPLANATION DOWNLOAD EXAMIANS APP 121 * 175 + 363 * 275 => 121 * 175 + 121 * 3 * 275121 * 175 + 121 * 825= 121 * (175 + 825) = 121000
Number System In how many different ways can the letters of the word FORMULATE be arranged ? 372880 382880 362880 392880 372880 382880 362880 392880 ANSWER EXPLANATION DOWNLOAD EXAMIANS APP No. of letters = 9! = 9*8*7*6*5*4*3*2*1 = 362880
Number System A number exceeds by 25 from its 3/8 part. Then the number is? 40 35 32 39 40 35 32 39 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 ? 91/190 92/190 89/190 90/190 91/190 92/190 89/190 90/190 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 In how many different ways can the letters of the word "MOBILIZE" be arranged ? 18456 19765 17453 20160 18456 19765 17453 20160 ANSWER EXPLANATION DOWNLOAD EXAMIANS APP The word MOBILIZE has eight letters in which I comes twice ∴ Number of arrangements = 8!/2! = 20160
Number System Find the least number which when divided by 35 and 11 leaves a remainder of 1 in each case. 386 388 391 384 386 388 391 384 ANSWER DOWNLOAD EXAMIANS APP
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