Number System In how many different ways can the letters of word "SENTENCE" be arranged ? 3260 3360 6460 2360 3260 3360 6460 2360 ANSWER EXPLANATION DOWNLOAD EXAMIANS APP Number of ways = 8!/3! 2! = 40320/12 = 3360
Number System Three numbers are in ratio of 3: 4 :5. If the sum of first & third numbers is more than second number by 52, which will be largest number? 65 34 78 23 65 34 78 23 ANSWER EXPLANATION DOWNLOAD EXAMIANS APP 65
Number System If the following fractions 7/6, 6/7, 5/3, 8/13 and 6/5 are arranged in descending order, which will be the last in the series? 6/13 8/13 7/13 9/13 6/13 8/13 7/13 9/13 ANSWER EXPLANATION DOWNLOAD EXAMIANS APP 7/6 = 1.166, 6/7 = 0.857,5/3 = 1.66,8/13 = 0.615,6/5 = 1.2Therefore, 5/3 > 6/5 > 7/6 > 6/7 > 8/13
Number System 1089/? = ?/1296 1278 1082 1188 1348 1278 1082 1188 1348 ANSWER EXPLANATION DOWNLOAD EXAMIANS APP (?)² = 1089 x 1296(?)²= (11 x 11 x 9) x (12 x 12 x 9)(?)= 11 x 12 x 9= 1188
Number System The sum of the digits of a two digit number is 12. If the new number formed by reversing the digits is greater than the original number by 54, then what will be the original number? 49 39 59 69 49 39 59 69 ANSWER EXPLANATION DOWNLOAD EXAMIANS APP 39
Number System If one-third of one fourth of a number is 15, then three-tenth of that number is: 25 54 35 45 25 54 35 45 ANSWER EXPLANATION DOWNLOAD EXAMIANS APP Let the number be x. Then,1/3 of 1/4 of x = 15x = 15 * 12 = 180So, required number = (3/10 * 180) = 54.
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