Number System If the sum of one-half of a number exceeds one-third of that number by 7 1/3, the number is: 30 15 18 20 30 15 18 20 ANSWER EXPLANATION DOWNLOAD EXAMIANS APP Let the number be x. Then,(1/2 x + 1/5 x) - 1/3 x = 22/311/30 x = 22/3x = 20
Number System In how many different ways can the letters of word "COLLEGE" be arranged ? 1300 1280 1240 1260 1300 1280 1240 1260 ANSWER EXPLANATION DOWNLOAD EXAMIANS APP Number of ways = 7!/2!2! = 1260(∵ L and E come twice)
Number System √2304 x √? = 2832 3581 3481 3681 3381 3581 3481 3681 3381 ANSWER EXPLANATION DOWNLOAD EXAMIANS APP √2304 x √? = 2832= 48 x √? = 2832= √? = 2832/48 = 59∴? = 59 x 59 = 3481
Number System If a number is subtracted from its square we get 272. Find the number? 17 22 14 24 17 22 14 24 ANSWER EXPLANATION DOWNLOAD EXAMIANS APP x2 – x = 272 => x =17
Number System What is the average of the following set of numbers ? 173, 192, 198, 204, 211, 223, 227 210 222 204 234 210 222 204 234 ANSWER EXPLANATION DOWNLOAD EXAMIANS APP Avg = 173 + 192 + 198 + 204 + 211 + 223 + 227/7 = 1428/7 = 204
Number System ?2704 x ?2209=? 4444 1444 2444 3444 4444 1444 2444 3444 ANSWER EXPLANATION DOWNLOAD EXAMIANS APP 2444
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