Number System Complete the series : 11, 12, 17, 18, 23, 24 ... 12 None of these 30 14 12 None of these 30 14 ANSWER EXPLANATION DOWNLOAD EXAMIANS APP None of these
Number System What number should come in the place of (?) in the following number series ? 1, 4, 9, 25, 49, ?, 169, 289, 361 321 121 11 225 321 121 11 225 ANSWER EXPLANATION DOWNLOAD EXAMIANS APP The series is (Prime No.)²So it is (11)² = 121
Number System What should come in place of the question mark (?) in the given number series ? 888, 888, 444, 148, ?, 7.4 39 37 38 36 39 37 38 36 ANSWER EXPLANATION DOWNLOAD EXAMIANS APP Let x be the missing number.Then888/888 = 1,888/444 = 2,444/148 = 3,148/x = 4= x = 148/4 = 37 and 37/7.4 = 5
Number System (4 86%of 6500) ÷ 36 =? 877.5 677.5 777.5 977.5 877.5 677.5 777.5 977.5 ANSWER EXPLANATION DOWNLOAD EXAMIANS APP 877.5
Number System In how many different ways can the letters of word "COLLEGE" be arranged ? 1240 1260 1300 1280 1240 1260 1300 1280 ANSWER EXPLANATION DOWNLOAD EXAMIANS APP Number of ways = 7!/2!2! = 1260(∵ L and E come twice)
Number System If the difference between the squares of two consecutive numbers is 47, what is the smaller number ? 26 23 25 24 26 23 25 24 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
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