Number System In how many different ways can the letters of the word ANATOMY be arranged ? 2508 2504 2510 2520 2508 2504 2510 2520 ANSWER EXPLANATION DOWNLOAD EXAMIANS APP Here total letters are 7 but A comes twice.Therefore, Numbers of arrangements = 7!/2! = 2520
Number System 35%of ?=242 487 542 394 693 487 542 394 693 ANSWER EXPLANATION DOWNLOAD EXAMIANS APP 693
Number System The average of five consecutive even numbers A, B, C, D and E is 54. What is the product of'B' and 'E' ? 2871 1456 4098 3016 2871 1456 4098 3016 ANSWER EXPLANATION DOWNLOAD EXAMIANS APP Because, The even numbers are consecutive and their average is 54.∴ The number C will be 54.∴ A = 50, B = 52, D = 56, E = 58B x E = 52 x 58 = 3016
Number System What is the sum of all the prime numbers from 20 to 40? 120 119 118 117 120 119 118 117 ANSWER EXPLANATION DOWNLOAD EXAMIANS APP 23 + 29 + 31 + 37 = 120
Number System 5358 * 51 = ? 273358 273348 273268 273258 273358 273348 273268 273258 ANSWER EXPLANATION DOWNLOAD EXAMIANS APP 5358 * 51 = 5358 * (50 + 1) = 5358 * 50 + 5358 * 1= 267900 + 5358 = 273258
Number System In how many different ways can the letters of the word 'LEASE' be arranged ? 80 40 60 None of these 80 40 60 None of these ANSWER EXPLANATION DOWNLOAD EXAMIANS APP The world LEASE consists of 5 letters in which E comes twice ∴ 51/21 = 5x4x3x2x1/2x1 = 60
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