Number System Which number should replace question mark (?) in the following equation ? ?/342 = 38/? 112 114 116 118 112 114 116 118 ANSWER EXPLANATION DOWNLOAD EXAMIANS APP (?)² = 342 x 38Therefore, ? = √342 x 38 = √38 x 9 x 38 = 38 x 3 = 114
Number System In how many different ways can the letters of the word "MOBILIZE" be arranged ? 20160 18456 17453 19765 20160 18456 17453 19765 ANSWER EXPLANATION DOWNLOAD EXAMIANS APP The word MOBILIZE has eight letters in which I comes twice ∴ Number of arrangements = 8!/2! = 20160
Number System The sum of the two numbers is 12 and their product is 35. What is the sum of the reciprocals of these numbers? 35/8 12/35 1/35 7/32 35/8 12/35 1/35 7/32 ANSWER EXPLANATION DOWNLOAD EXAMIANS APP Let the numbers be a and b. Then,a + b = 12 and ab = 35.(a + b)/ab = 12/35= (1/b + 1/a) = 12/35Sum of reciprocals of given numbers = 12/35.
Number System Supply the missing figure : 1, 4, 9, 16, 25 .... 49 36 42 16 23 36 42 16 23 ANSWER EXPLANATION DOWNLOAD EXAMIANS APP 36
Number System Four-fifth of a number is 10 more than two-third of the same number. What is the number? 75 35 89 91 75 35 89 91 ANSWER EXPLANATION DOWNLOAD EXAMIANS APP 75
Number System The sum of two numbers is 22. Five times one number is equal to 6 times the other. The bigger of the two numbers is: 12 10 15 16 12 10 15 16 ANSWER EXPLANATION DOWNLOAD EXAMIANS APP Let the numbers be x and (22 - x). Then,5x = 6(22 - x) 11x = 132 => x = 12So, the numbers are 12 and 10.
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