Number System (800 / 64) * (1296 / 36) = ? 460 500 None of these 420 460 500 None of these 420 ANSWER EXPLANATION DOWNLOAD EXAMIANS APP Given Exp.= 800/64 * 1296/36 = 12.5 * 36 = 450
Number System Sum of two numbers is 80. Greater number exceeds by 5 from four times of the smaller. Find the numbers? 64, 16 62, 18 65, 15 60, 20 64, 16 62, 18 65, 15 60, 20 ANSWER DOWNLOAD EXAMIANS APP
Number System A two-digit number is such that the product of the digits is 8. When 18 is added to the number, then the digits are reversed. The number is: 18 24 42 81 18 24 42 81 ANSWER EXPLANATION DOWNLOAD EXAMIANS APP Let the ten's and unit's digit be x and 8/x respectively. Then, (10x + 8/x) + 18 = 10 * 8/x + x 9x2 + 18x - 72 = 0 x2 + 2x - 8 = 0 (x + 4)(x - 2) = 0 x = 2 So, ten's digit = 2 and unit's digit = 4. Hence, required number = 24.
Number System What number should replace both the question marks (?) in the following question ? 85 84 83 82 85 84 83 82 ANSWER EXPLANATION DOWNLOAD EXAMIANS APP 84
Number System How many numbers up to 100 and 300 are divisible by 11? 20 22 21 18 20 22 21 18 ANSWER EXPLANATION DOWNLOAD EXAMIANS APP (300 – 100)/11 = 200/11 = 18 2/1118 Numbers
Number System 8988 / 8 / 4 = ? 4494 280.875 2247 561.75 4494 280.875 2247 561.75 ANSWER EXPLANATION DOWNLOAD EXAMIANS APP 8988 * 1/8 * 1/4 = 2247/8 = 280.875
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