Number System Supply the missing figure : 1, 4, 9, 16, 25 .... 49 42 36 23 16 42 36 23 16 ANSWER EXPLANATION DOWNLOAD EXAMIANS APP 36
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 Complete the series : 81, 69, 58, 48, 39 ........ 28 31 29 30 28 31 29 30 ANSWER EXPLANATION DOWNLOAD EXAMIANS APP 31
Number System If A = 1, B = 3, C = 5 and so on, what do the numbers 3, 9, 7 stand for BED CAR BAT CAT BED CAR BAT CAT ANSWER EXPLANATION DOWNLOAD EXAMIANS APP BED
Number System Which number should replace question mark (?) in the following equation ? ?/342 = 38/? 114 116 112 118 114 116 112 118 ANSWER EXPLANATION DOWNLOAD EXAMIANS APP (?)² = 342 x 38Therefore, ? = √342 x 38 = √38 x 9 x 38 = 38 x 3 = 114
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 29 years 30 years 31 years 28 years 29 years 30 years 31 years 28 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
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