Number System In how many different ways can the letters of the word ANATOMY be arranged ? 2504 2520 2510 2508 2504 2520 2510 2508 ANSWER EXPLANATION DOWNLOAD EXAMIANS APP Here total letters are 7 but A comes twice.Therefore, Numbers of arrangements = 7!/2! = 2520
Number System In how many different ways can the letters of the word FORMULATE be arranged ? 372880 362880 382880 392880 372880 362880 382880 392880 ANSWER EXPLANATION DOWNLOAD EXAMIANS APP No. of letters = 9! = 9*8*7*6*5*4*3*2*1 = 362880
Number System What is the least number, which is perfect square but contains 2700 as its factor? 1800 10800 2700 5400 1800 10800 2700 5400 ANSWER EXPLANATION DOWNLOAD EXAMIANS APP 900 * 3 * 3 = 8100
Number System In how many ways can 5 boys be chosen from 6 boys and 4 girls so as to include exactly one girl ? 56 58 60 54 56 58 60 54 ANSWER EXPLANATION DOWNLOAD EXAMIANS APP One girl can be chosen in 4C1 = 4 ways and 4 boys can be chosen in 6C4 = 15 ways ∴ Total number of ways = 4 x 15 = 60 ways.
Number System (12.11)2 + (?)2 = 732.2921 17.2 20.2 24.2 14.2 17.2 20.2 24.2 14.2 ANSWER EXPLANATION DOWNLOAD EXAMIANS APP 24.2
Number System In how many different ways can the letters of word "SENTENCE" be arranged ? 6460 3260 3360 2360 6460 3260 3360 2360 ANSWER EXPLANATION DOWNLOAD EXAMIANS APP Number of ways = 8!/3! 2! = 40320/12 = 3360
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