Number System In how many different ways can the letters of the word FORMULATE be arranged ? 382880 362880 392880 372880 382880 362880 392880 372880 ANSWER EXPLANATION DOWNLOAD EXAMIANS APP No. of letters = 9! = 9*8*7*6*5*4*3*2*1 = 362880
Number System ?2704 x ?2209=? 2444 4444 3444 1444 2444 4444 3444 1444 ANSWER EXPLANATION DOWNLOAD EXAMIANS APP 2444
Number System The number of prime factors of (6)10×(7)17×(55)27 91 61 101 41 91 61 101 41 ANSWER EXPLANATION DOWNLOAD EXAMIANS APP 91
Number System If a number is subtracted from its square we get 272. Find the number? 14 22 24 17 14 22 24 17 ANSWER EXPLANATION DOWNLOAD EXAMIANS APP x2 – x = 272 => x =17
Number System What value should come in place of ? in the given number series ? 15, 51, 162, 498, 1509, ? 3434 4545 7878 5656 3434 4545 7878 5656 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 If the numerator of a fraction is decreased by 12.5% and the denominator is increased by 180% the resultant fraction is 1/2. What is the original fraction ? 7/5 8/5 3/5 1/5 7/5 8/5 3/5 1/5 ANSWER EXPLANATION DOWNLOAD EXAMIANS APP Let the original fraction be x/y.∴ x x 87.5/100/y x 280/100 = 1/2or 87.5x/280y = 1/2∴ 175x = 280y∴ x/y = 280/175 = 8/5
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