Number System The average of five consecutive even numbers, p, q, r, s and t is 40. What is the product of 'r' and 's' ? 1780 1680 1580 1480 1780 1680 1580 1480 ANSWER EXPLANATION DOWNLOAD EXAMIANS APP Let the numbers be x, x + 2, x + 4, x + 6, and x + 8Avg = x + x + 2 + x + 4 + x + 6 + x + 8/5 = 40Therefore, 5x + 20 = 200Therefore, x = 180/5 = 36Therefore, r = x + 4 = 40 s = x + 6 = 42Therefore, Product = 1680
Number System Which one of the following numbers is exactly divisible by 11? 245642 315624 415624 235641 245642 315624 415624 235641 ANSWER EXPLANATION DOWNLOAD EXAMIANS APP (4 + 5 + 2) - (1 + 6 + 3) = 1, not divisible by 11.(2 + 6 + 4) - (4 + 5 + 2) = 1, not divisible by 11.(4 + 6 + 1) - (2 + 5 + 3) = 1, not divisible by 11.(4 + 6 + 1) - (2 + 5 + 4) = 0. So, 415624 is divisible by 11.
Number System Sum of two numbers is 80. Greater number exceeds by 5 from four times of the smaller. Find the numbers? 64, 16 62, 18 60, 20 65, 15 64, 16 62, 18 60, 20 65, 15 ANSWER DOWNLOAD EXAMIANS APP
Number System 7.8 x 4.5 x 4.2/0.14 = ? 1012 1087 1032 1053 1012 1087 1032 1053 ANSWER EXPLANATION DOWNLOAD EXAMIANS APP 7.8 x 4.5 x 4.2/0.14 = 1053
Number System What is the difference between the local value of 7 and 5 in the number 2574? 430 403 413 570 430 403 413 570 ANSWER EXPLANATION DOWNLOAD EXAMIANS APP 500 – 70 = 430
Number System Three seventh of a number is 12 more than 40% of that number. What will be the 60% of that number? 126 148 210 248 126 148 210 248 ANSWER EXPLANATION DOWNLOAD EXAMIANS APP 3/7 x – 40/100 x = 12x = 35 * 1235 * 12 * 60/100 = 252/2 = 126
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