Number System Sum of two numbers is 80. Greater number exceeds by 5 from four times of the smaller. Find the numbers? 65, 15 60, 20 62, 18 64, 16 65, 15 60, 20 62, 18 64, 16 ANSWER DOWNLOAD EXAMIANS APP
Number System On dividing number by 5, we get 3 as remainder. What will be the remainder when the square of this number is divided by 5? 1 0 4 2 1 0 4 2 ANSWER DOWNLOAD EXAMIANS APP
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' ? 1680 1780 1580 1480 1680 1780 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 Given √2 = 1.414, the value of √8 + 2√32 - 3√128 + 4√50 is 8.684 8.484 8.584 8.784 8.684 8.484 8.584 8.784 ANSWER EXPLANATION DOWNLOAD EXAMIANS APP 8.484
Number System 1089/? = ?/1296 1188 1348 1082 1278 1188 1348 1082 1278 ANSWER EXPLANATION DOWNLOAD EXAMIANS APP (?)² = 1089 x 1296(?)²= (11 x 11 x 9) x (12 x 12 x 9)(?)= 11 x 12 x 9= 1188
Number System How many numbers between 300 and 800 can be by using digits 2, 4, 5, 6 and 0 ? 52 48 36 56 52 48 36 56 ANSWER EXPLANATION DOWNLOAD EXAMIANS APP ∴ Reqd . numbers = 3 x 4P2 = 3 x 12 = 36
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