Number System 56.21 +2.36+5.41 —21.4+1.5=? 54.08 64.08 34.08 44.08 54.08 64.08 34.08 44.08 ANSWER EXPLANATION DOWNLOAD EXAMIANS APP 44.08
Number System Ratio between two numbers is 3: 4 and their sum is 420. Find the smaller number? 240 160 180 140 240 160 180 140 ANSWER DOWNLOAD EXAMIANS APP
Number System What should come in place of the question mark (?) in the following number series ? 888 888 444 148 ? 7.4 29 37 33 35 29 37 33 35 ANSWER EXPLANATION DOWNLOAD EXAMIANS APP 888 ÷ 1 = 888888 ÷ 2 = 444444 ÷ 3 = 148148 ÷ 4 = 3737 ÷ 5 = 7.4
Number System 735 chocolates were distributed equally among children in such a way that the number of chocolates received by each child is 60% of the total number of children. How many chocolates did each child rec 14 18 21 16 14 18 21 16 ANSWER EXPLANATION DOWNLOAD EXAMIANS APP Let the number of children be 'x' Therefore, each child will receiveX x 60/100 = 3x/5 chocolates∴ X x 3x/5 = 735∴ x² x 735x5/3 = 1225∴ x = 1225 = 35∴ Number of chocolates = 3x/5 = 21
Number System 3√103820 x 3√274620 = ? 3065 3035 3045 3055 3065 3035 3045 3055 ANSWER EXPLANATION DOWNLOAD EXAMIANS APP 3√103820 = 47 and 3√274620 = 65 ∴ ? = 47 x 65 = 3055
Number System An urn contains 9 blue, 7 white and 4 black balls. If 2 balls are drawn at random, then what is the probability that only one ball is white ? 92/190 90/190 91/190 89/190 92/190 90/190 91/190 89/190 ANSWER EXPLANATION DOWNLOAD EXAMIANS APP Total possible outcomes = 20C2 = 20 x 19/1 x 2 = 190Total favourable outcomes = 7C1 x 13C1 = 7 x 13 = 91∴ Required probability = 91/190
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