Number System In how many different ways can the letters of the word 'DETERMINE' be arranged ? 63480 60480 61480 62480 63480 60480 61480 62480 ANSWER EXPLANATION DOWNLOAD EXAMIANS APP No. of arrangements = 9! / 3! Because, E comes 3 times = 60480
Number System Which number should replace question mark (?) in the following equation ? ?/342 = 38/? 114 116 118 112 114 116 118 112 ANSWER EXPLANATION DOWNLOAD EXAMIANS APP (?)² = 342 x 38Therefore, ? = √342 x 38 = √38 x 9 x 38 = 38 x 3 = 114
Number System 2/11 of 3/7 of 8/13 of 12012 = ? 321 449 241 576 321 449 241 576 ANSWER EXPLANATION DOWNLOAD EXAMIANS APP ? = 2 x 3 x 8 x 12012/11 x 7 x 13 = 576
Number System If the difference between a number and its 2/5 is 240, find the number. 440 400 480 360 440 400 480 360 ANSWER EXPLANATION DOWNLOAD EXAMIANS APP Let the no. be x Therefore x - 2x/5 = 240, Therefore, 3x/5 = 240Therefore, x = 240x5/3 = 400
Number System Subtracting 30 from a number, the remainder is one fourth of the number. Find the number? 22 1/2 30 40 45 22 1/2 30 40 45 ANSWER EXPLANATION DOWNLOAD EXAMIANS APP 3/4 x = 30 => x = 40
Number System If R2 = S3 = K, where R, S and K are integers. Find the smallest positive integral value of K. (Greater than 1) 54 88 64 75 54 88 64 75 ANSWER EXPLANATION DOWNLOAD EXAMIANS APP 64
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