Number System 64% of 2650+40% 0f 320=? 1578 1824 1247 2096 1578 1824 1247 2096 ANSWER EXPLANATION DOWNLOAD EXAMIANS APP 1824
Number System Which one of the following numbers is exactly divisible by 11? 315624 415624 235641 245642 315624 415624 235641 245642 ANSWER EXPLANATION DOWNLOAD EXAMIANS APP (4 + 5 + 2) - (1 + 6 + 3) = 1, not divisible by 11.(2 + 6 + 4) - (4 + 5 + 2) = 1, not divisible by 11.(4 + 6 + 1) - (2 + 5 + 3) = 1, not divisible by 11.(4 + 6 + 1) - (2 + 5 + 4) = 0. So, 415624 is divisible by 11.
Number System What is the difference between the largest number and the least number written with the digits 7, 3, 1, 4? 6048 6184 6084 5084 6048 6184 6084 5084 ANSWER DOWNLOAD EXAMIANS APP
Number System Two-third of a positive number and 25/216 of its reciprocal are equal. The number is: 25/144 5/12 12/5 144/25 25/144 5/12 12/5 144/25 ANSWER EXPLANATION DOWNLOAD EXAMIANS APP Let the number be x. Then,2/3 x = 25/216 * 1/xx2 = 25/216 * 3/2 = 25/144 x = 5/12
Number System 8988 / 8 / 4 = ? 2247 561.75 4494 280.875 2247 561.75 4494 280.875 ANSWER EXPLANATION DOWNLOAD EXAMIANS APP 8988 * 1/8 * 1/4 = 2247/8 = 280.875
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: 81 24 18 42 81 24 18 42 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.
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