Number System When 102 is reduced from a number, the number gets reduced by 88%. What is that number ? 750 850 550 650 750 850 550 650 ANSWER EXPLANATION DOWNLOAD EXAMIANS APP 850
Number System What is the sum of 1 + 2 + 3+ ... + 27 ? 378 343 382 396 378 343 382 396 ANSWER EXPLANATION DOWNLOAD EXAMIANS APP Sum = 27 x (27 + 1)/2= 27 x 28/2= 27 x 14= 378
Number System The average age of seven boys sitting in a row facing North is 26 years. If the average age of first three boys is 19 years and the average age of last three boys is 32 years, what is the age of the b 28 years 31 years 29 years 30 years 28 years 31 years 29 years 30 years ANSWER EXPLANATION DOWNLOAD EXAMIANS APP Age of the fourth boy = (26 x 7 - 3 x 19 - 3 x 32) years = (182 - 57 - 96) years = 29 years
Number System In an examination, 68% of the total examinees passed. If the number of failures is 248, the total number of examinees is 750 725 775 640 750 725 775 640 ANSWER EXPLANATION DOWNLOAD EXAMIANS APP Failed students are 32% which is 248.∴ Total = 24800/32 = 775
Number System Which number should replace question mark (?) in the following equation ? ?/342 = 38/? 112 116 114 118 112 116 114 118 ANSWER EXPLANATION DOWNLOAD EXAMIANS APP (?)² = 342 x 38Therefore, ? = √342 x 38 = √38 x 9 x 38 = 38 x 3 = 114
Number System A certain number when divided by 45 leaves a remainder 31, what is the remainder if the same number be divided by 15? 1 11 9 13 1 11 9 13 ANSWER EXPLANATION DOWNLOAD EXAMIANS APP 45 + 31 = 76/15 = 1 (Remainder)
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