Number System Complete the series : 81, 69, 58, 48, 39 ........ 28 29 30 31 28 29 30 31 ANSWER EXPLANATION DOWNLOAD EXAMIANS APP 31
Number System Three seventh of a number is 12 more than 40% of that number. What will be the 60% of that number? 148 210 248 126 148 210 248 126 ANSWER EXPLANATION DOWNLOAD EXAMIANS APP 3/7 x – 40/100 x = 12x = 35 * 1235 * 12 * 60/100 = 252/2 = 126
Number System If the difference between the squares of two consecutive numbers is 47, what is the smaller number ? 26 23 24 25 26 23 24 25 ANSWER EXPLANATION DOWNLOAD EXAMIANS APP Let the numbers be (x + 1) and x.Therefore, (x + 1)² - x² = 47x² + 2x + 1 - x² = 472x + 1 = 47Therefore, x = 46/2 = 23
Number System Find the least value of 3x + 4y if x2y3 = 6. 3 6 7 10 3 6 7 10 ANSWER EXPLANATION DOWNLOAD EXAMIANS APP 10
Number System A gardener wants to plant trees in his garden in such a way that the number of trees in each row should be the same. If there are 4 rows or 5 rows or 6 rows, then no tree will be left. Find the least 120 60 30 240 120 60 30 240 ANSWER EXPLANATION DOWNLOAD EXAMIANS APP The least number of trees that are required = LCM(4, 5, 6) = 60.
EXAMIANS