Number System Pick the wrong number from the given number series. 3,4,10,33,135,685,4116 33 10 685 135 33 10 685 135 ANSWER EXPLANATION DOWNLOAD EXAMIANS APP The correct number is 136.3 x 1 + 1 = 44 x 2 + 2 = 1010 x 3 + 3 = 3333 x 4 + 4 = 136136 x 5 + 5 = 685685 x 6 + 6 = 4116
Number System Sum of two consecutive even terms lacks by 98 from their product. Find the sum of these number 24 None 32 18 24 None 32 18 ANSWER DOWNLOAD EXAMIANS APP
Number System 7.98 x 3.75 + 1.28 x 15.5 = ? 46.765 48.765 47.765 49.765 46.765 48.765 47.765 49.765 ANSWER EXPLANATION DOWNLOAD EXAMIANS APP ? = 29.925 + 19.84 = 49.765
Number System A box contains 5 red, 4 black and 4 blue balls. If 3 balls are drawn randomly from the box, what is the probability that there are exactly 2 blue balls in the three drawn balls ? 29/145 30/146 27/143 28/144 29/145 30/146 27/143 28/144 ANSWER EXPLANATION DOWNLOAD EXAMIANS APP Total balls = 5 + 4 + 4 = 13∴ n(S) = 13C3 = 2862 blue balls can be selected from 4 balls in 4C2 = 6 ways and the remaining one ball is to be selected from 9 balls in 9C1 = 9 ways ∴ n(E) = 6 x 9∴ P(E) = 6 x 9/286 = 27/143
Number System (4 86%of 6500) ÷ 36 =? 777.5 977.5 677.5 877.5 777.5 977.5 677.5 877.5 ANSWER EXPLANATION DOWNLOAD EXAMIANS APP 877.5
Number System 450% of a number is 4725. What is 82% of that number ? 861 851 841 871 861 851 841 871 ANSWER EXPLANATION DOWNLOAD EXAMIANS APP Let the number be x.∴ x x 450/100 = 4725= x = 4725 x 100/450 = 1050∴ 82% of 1050 = 1050 x 82/100= 861
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