Number System In how many different ways can be the letters of the word PENCIL be arranged among themselves ? 640 860 720 510 640 860 720 510 ANSWER EXPLANATION DOWNLOAD EXAMIANS APP Total six letters are there and hence the number of arrangements = 6! = 6 x 5 x 4 x 3 x 2 x 1 = 720
Number System The sum of three consecutive even numbers is 252. What is the sum of the smallest and the largest numbers? 171 169 170 168 171 169 170 168 ANSWER EXPLANATION DOWNLOAD EXAMIANS APP 168
Number System (12.04 x 7.5 + 0.8 x 45) ÷ 3 = ? 45 54.7 42.6 42.1 45 54.7 42.6 42.1 ANSWER EXPLANATION DOWNLOAD EXAMIANS APP (90.3 + 36) ÷ 3 = 126.3/3 = 42.1
Number System Which one of the following is the sum of the numbers 1, 3, 5, 7, 9…. up to nth number? N(N + 1)/2 N(N + 1) N2 + 1 N2 N(N + 1)/2 N(N + 1) N2 + 1 N2 ANSWER DOWNLOAD EXAMIANS APP
Number System When the square of a number is substracted from (68)², the answer so obtained is 2508. What is the number ? 46 44 47 45 46 44 47 45 ANSWER EXPLANATION DOWNLOAD EXAMIANS APP (68)² - x² = 2508Therefore, x² = 4624 = 2508Therefore, x = root of 2116 = 46
Number System If HKUJ means FISH, what does UVCD mean ? STAB STAK STAM STAR STAB STAK STAM STAR ANSWER EXPLANATION DOWNLOAD EXAMIANS APP STAB
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