Number System Find the least number with which 16200 should be multiplied, to make it a perfect cube. 45 48 360 36 45 48 360 36 ANSWER DOWNLOAD EXAMIANS APP
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 ? 45/340 39/340 58/340 51/340 45/340 39/340 58/340 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 How many numbers up to 100 and 300 are divisible by 11? 21 20 22 18 21 20 22 18 ANSWER EXPLANATION DOWNLOAD EXAMIANS APP (300 – 100)/11 = 200/11 = 18 2/1118 Numbers
Number System On dividing number by 357, we get 39 as remainder. On dividing the same number by 17, what will be the remainder? 3 5 11 0 3 5 11 0 ANSWER DOWNLOAD EXAMIANS APP
Number System 148 x 3.75 x 4 = 111 x ? 20 17 24 19 20 17 24 19 ANSWER EXPLANATION DOWNLOAD EXAMIANS APP ? = 148 x 3.75 x 4/111 = 20
Number System What is the difference between the local values of 3 in the number 53403? 2997 0 3003 3030 2997 0 3003 3030 ANSWER EXPLANATION DOWNLOAD EXAMIANS APP 3000 – 3 = 2997
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