Number System What is the value of 8/11 of 5/7 of 96% of 28875 ? 14400 12900 15400 13800 14400 12900 15400 13800 ANSWER EXPLANATION DOWNLOAD EXAMIANS APP Number = 8 x 5 x 96 x 28875/11 x 7 x 100 = 14400
Number System 3√103820 x 3√274620 = ? 3045 3065 3055 3035 3045 3065 3055 3035 ANSWER EXPLANATION DOWNLOAD EXAMIANS APP 3√103820 = 47 and 3√274620 = 65 ∴ ? = 47 x 65 = 3055
Number System A bag contains four red, six black and seven green balls. Three balls are drawn randomly. What is the probability that the balls drawn contain exactly two red balls ? 39/340 58/340 45/340 51/340 39/340 58/340 45/340 51/340 ANSWER EXPLANATION DOWNLOAD EXAMIANS APP Total balls = 4 + 6 + 7 = 17∴ n(S) = 17C1 = 680Two red balls can be selected from four red balls in 4C2 = 6 ways.and the third ball can be selected from the remaining 13 balls in 13C1 = 13 ways.∴ P (E) = 13x6/680 = 39/340
Number System Four-fifth of a number is 10 more than two-third of the same number. What is the number? 89 35 75 91 89 35 75 91 ANSWER EXPLANATION DOWNLOAD EXAMIANS APP 75
Number System Find the number of factors of 300 excluding 1 and itself. 15 16 18 14 15 16 18 14 ANSWER DOWNLOAD EXAMIANS APP
Number System Of the three numbers, second is twice the first and is also thrice the third. If the average of the three numbers is 44, the largest number is 38 72 44 56 38 72 44 56 ANSWER EXPLANATION DOWNLOAD EXAMIANS APP 72
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