Number System (4.6 x 2.8 x 5.5) - (3.2 x 4.5 x 2.8) = ? 27.54 29.81 28.56 30.52 27.54 29.81 28.56 30.52 ANSWER EXPLANATION DOWNLOAD EXAMIANS APP ? = (4.6 x 2.8 x 5.5) - (3.2 x 4.5 x 2.8) = 70.84 - 40.32 = 30.52
Number System A basket contains eight white and ten black balls. Two draws of one ball each are made without replacement. What is the probability that one ball is white and the other ball is black ? 80/151 80/150 80/153 80/152 80/151 80/150 80/153 80/152 ANSWER EXPLANATION DOWNLOAD EXAMIANS APP Two balls can be drawn from 18 balls in 18C2 Ways, ie 153 ways. One white from 8 white balls can be drawn in 8C1 = 8 ways and one black ball from 10 black can be drawn in 10C1 = 10 ways.∴ n(S) = 153, n(E) = 8 x 10 = 80∴ P(E) = 80/153
Number System (95.6x 910.3) ÷ 92.56256 = 9? 15.54 13.34 14.44 12.24 15.54 13.34 14.44 12.24 ANSWER EXPLANATION DOWNLOAD EXAMIANS APP 13.34
Number System The difference between two integers is 5. Their product is 500. Find the numbers. 21, 26 20, 25 15, 20 30, 25 21, 26 20, 25 15, 20 30, 25 ANSWER EXPLANATION DOWNLOAD EXAMIANS APP Let the integers be x and (x + 5). Then, x(x + 5) = 500 x2 + 5x - 500 = 0 (x + 25)(x - 20) = 0 x = 20So, the numbers are 20 and 25.
Number System (4 86%of 6500) ÷ 36 =? 677.5 977.5 777.5 877.5 677.5 977.5 777.5 877.5 ANSWER EXPLANATION DOWNLOAD EXAMIANS APP 877.5
Number System How many figures are required for numbering the pages of a book containing 1000 pages? 3892 2883 6489 2893 3892 2883 6489 2893 ANSWER DOWNLOAD EXAMIANS APP
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