Number System In how many different ways can the letters of the word 'DETERMINE' be arranged ? 61480 60480 63480 62480 61480 60480 63480 62480 ANSWER EXPLANATION DOWNLOAD EXAMIANS APP No. of arrangements = 9! / 3! Because, E comes 3 times = 60480
Number System Supply the missing figure : 1, 4, 9, 16, 25 .... 49 42 23 16 36 42 23 16 36 ANSWER EXPLANATION DOWNLOAD EXAMIANS APP 36
Number System In how many different ways can the letters of the word 'LEASE' be arranged ? 40 60 None of these 80 40 60 None of these 80 ANSWER EXPLANATION DOWNLOAD EXAMIANS APP The world LEASE consists of 5 letters in which E comes twice ∴ 51/21 = 5x4x3x2x1/2x1 = 60
Number System 17580 x 1.8 - 13720 x 2.1 = ? x 2.4 1120 1180 1160 1140 1120 1180 1160 1140 ANSWER EXPLANATION DOWNLOAD EXAMIANS APP 2.4 x ? = 31644 - 28812 = 2832∴ ? = 2832/2.4= 1180
Number System In how many different ways can the letters of word "COLLEGE" be arranged ? 1240 1280 1300 1260 1240 1280 1300 1260 ANSWER EXPLANATION DOWNLOAD EXAMIANS APP Number of ways = 7!/2!2! = 1260(∵ L and E come twice)
Number System The sum of three consecutive numbers is 87. The greatest among these three number is: 30 26 28 29 30 26 28 29 ANSWER EXPLANATION DOWNLOAD EXAMIANS APP Let the numbers be x, x + 1 and x + 2 Then,x + (x + 1) + (x + 2) = 873x = 84x = 28Greatest number, (x + 2) = 30.
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