Number System The number of prime factors of (6)10×(7)17×(55)27 101 61 91 41 101 61 91 41 ANSWER EXPLANATION DOWNLOAD EXAMIANS APP 91
Number System Find out the smallest possible number which will be divisible by 1122 as well as 153. 4366 3366 1366 2366 4366 3366 1366 2366 ANSWER EXPLANATION DOWNLOAD EXAMIANS APP 3366
Number System If A + B = 30 and AB = 94, What is the value of A² + B² ? 712 920 625 824 712 920 625 824 ANSWER EXPLANATION DOWNLOAD EXAMIANS APP (A + B)² = (30)² = 900A² + B² + 2AB = 900Therefore, A² + B² = 900 - 2 x 94 = 900 - 188 = 712
Number System (95.6x 910.3) ÷ 92.56256 = 9? 15.54 13.34 12.24 14.44 15.54 13.34 12.24 14.44 ANSWER EXPLANATION DOWNLOAD EXAMIANS APP 13.34
Number System If x + y = 61 and xy = 888, What is the value of x²+ y² ? 1975 1945 1955 1965 1975 1945 1955 1965 ANSWER EXPLANATION DOWNLOAD EXAMIANS APP Because (x + y)² = x² + y² + 2xy∴ x² + y² = (x + y)² - 2xy∴ x² + y² = (61)² - 2 x 888= 3721 - 1776 = 1945
Number System In how many different ways can the letters of the word CORPORATION be arranged ? 2326400 3326400 None of these 1326400 2326400 3326400 None of these 1326400 ANSWER EXPLANATION DOWNLOAD EXAMIANS APP CORPORATION = 11 letters 'O' comes thrice,'R' twice.∴ total no. of ways = 111/3121 = 3326400
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