Number System 728.038 x 54.978 - 72.016 x 85.250 = ? 23900 53900 43900 33900 23900 53900 43900 33900 ANSWER EXPLANATION DOWNLOAD EXAMIANS APP ? = 728 x 55 - 72 x 85.25 = 40040 - 6138 = 339900
Number System One-eighth of a number is 76. What will be 54% of the number ? 328.32 318.32 321.32 332.32 328.32 318.32 321.32 332.32 ANSWER EXPLANATION DOWNLOAD EXAMIANS APP Let the no. be x Therefore, 1/8 of x = 76Therefore, x = 60854% of 608 = 608 x 54/100 = 328.32
Number System 486+32×25—59=? 596 528 567 582 596 528 567 582 ANSWER EXPLANATION DOWNLOAD EXAMIANS APP 528
Number System A gardener wants to plant trees in his garden in such a way that the number of trees in each row should be the same. If there are 4 rows or 5 rows or 6 rows, then no tree will be left. Find the least 240 60 30 120 240 60 30 120 ANSWER EXPLANATION DOWNLOAD EXAMIANS APP The least number of trees that are required = LCM(4, 5, 6) = 60.
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 ? 58/340 51/340 39/340 45/340 58/340 51/340 39/340 45/340 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 (2560 x 1.4) +(7400 x 0.6) =? 8024 6543 9160 7234 8024 6543 9160 7234 ANSWER EXPLANATION DOWNLOAD EXAMIANS APP 8024
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