Number System The sum of four consecutive even numbers is 36. Find the sum of the squares of these numbers? 388 296 252 344 388 296 252 344 ANSWER EXPLANATION DOWNLOAD EXAMIANS APP Let the four numbers be x, x + 2, x + 4 and x + 6.=> x + x + 2 + x + 4 + x + 6 = 36=> 4x + 12 = 36 => x = 6The numbers are 6, 8, 10 and 12.Sum of their squares = 62 + 82 + 102 + 122 = 36 + 64 + 100 + 144 = 344.
Number System In how many different ways can the letters of the word 'LEASE' be arranged ? 40 60 80 None of these 40 60 80 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
Number System 728.038 x 54.978 - 72.016 x 85.250 = ? 33900 43900 23900 53900 33900 43900 23900 53900 ANSWER EXPLANATION DOWNLOAD EXAMIANS APP ? = 728 x 55 - 72 x 85.25 = 40040 - 6138 = 339900
Number System 450% of a number is 4725. What is 82% of that number ? 861 851 841 871 861 851 841 871 ANSWER EXPLANATION DOWNLOAD EXAMIANS APP Let the number be x.∴ x x 450/100 = 4725= x = 4725 x 100/450 = 1050∴ 82% of 1050 = 1050 x 82/100= 861
Number System The difference between 35% of a number and 18% of the same number is 93.5 then what is the 40% of that number ? 245 232 225 220 245 232 225 220 ANSWER EXPLANATION DOWNLOAD EXAMIANS APP Diff = (35 - 18)% of x = 93.517x/100 = 93.5Therefore, x = 550Therefore, 40% of 550 = 220
Number System (800 / 64) * (1296 / 36) = ? None of these 420 500 460 None of these 420 500 460 ANSWER EXPLANATION DOWNLOAD EXAMIANS APP Given Exp.= 800/64 * 1296/36 = 12.5 * 36 = 450
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