Number System The sum of three consecutive multiples of 3 is 72. What is the largest number? 21 27 24 36 21 27 24 36 ANSWER EXPLANATION DOWNLOAD EXAMIANS APP Let the numbers be 3x, 3x + 3 and 3x + 6.Then,3x + (3x + 3) + (3x + 6) = 729x = 63x = 7Largest number = 3x + 6 = 27.
Number System (800 / 64) * (1296 / 36) = ? 420 460 None of these 500 420 460 None of these 500 ANSWER EXPLANATION DOWNLOAD EXAMIANS APP Given Exp.= 800/64 * 1296/36 = 12.5 * 36 = 450
Number System Sum of the digits number is 8 and their product is 12. Find the difference between the digits? 6 4 2 None 6 4 2 None ANSWER EXPLANATION DOWNLOAD EXAMIANS APP x + y = 8xy = 12(x – y)2 = (x + y)2 – 4xy (x – y)2 = 64 – 48 => (x – y) = 4
Number System What is the difference between the largest number and the least number written with the digits 7, 3, 1, 4? 6184 6084 5084 6048 6184 6084 5084 6048 ANSWER DOWNLOAD EXAMIANS APP
Number System If the fractions8/5,7/2,9/5,5/4,4/5 are arranged in descending order of their values, which one will be fourth? 5/4 7/9 1/3 11/13 5/4 7/9 1/3 11/13 ANSWER EXPLANATION DOWNLOAD EXAMIANS APP 5/4
Number System By how much is 3/5th of 875 greater than 2/3 of 333? 303 233 362 199 303 233 362 199 ANSWER EXPLANATION DOWNLOAD EXAMIANS APP 3/5th of 875 is greater than 2/3rd of 333= 3/5 * 875 - 2/3 * 333= 525 - 222 = 303.
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