Number System √(17)² + (17)² + (5)² - 2 = ? 18 16 17 19 18 16 17 19 ANSWER EXPLANATION DOWNLOAD EXAMIANS APP ? = √49 + 289 + 25 - 2 = √361 = 19
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 Which one of the following represents the sum of the first n even numbers? N(N + 1) N(N – 1) N2 N2+ 1 N(N + 1) N(N – 1) N2 N2+ 1 ANSWER EXPLANATION DOWNLOAD EXAMIANS APP N (N + 1)
Number System 4500 * ? = 3375 3/5 3/4 1/4 2/5 3/5 3/4 1/4 2/5 ANSWER EXPLANATION DOWNLOAD EXAMIANS APP 4500 * x = 3375= x = 3375/4500 = 3/4
Number System 2536+4851—?=3450+313 5243 3624 6784 4567 5243 3624 6784 4567 ANSWER EXPLANATION DOWNLOAD EXAMIANS APP 3624
Number System What is the sum of all the composite numbers up to 20? 128 132 130 131 128 132 130 131 ANSWER EXPLANATION DOWNLOAD EXAMIANS APP 4 + 6 + 8 + 9 + 10 + 12 + 14 + 15 + 16 + 18 = 132
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