Number System 64% of 2650+40% 0f 320=? 1247 1578 2096 1824 1247 1578 2096 1824 ANSWER EXPLANATION DOWNLOAD EXAMIANS APP 1824
Number System What is the average of the following set of numbers ? 173, 192, 198, 204, 211, 223, 227 222 234 204 210 222 234 204 210 ANSWER EXPLANATION DOWNLOAD EXAMIANS APP Avg = 173 + 192 + 198 + 204 + 211 + 223 + 227/7 = 1428/7 = 204
Number System Sum of square of first number and cube of second number together is 568. Also square of the second number is 15 less than square of 8. What is the value of three-fifth of the first number ? 8 7 9 6 8 7 9 6 ANSWER EXPLANATION DOWNLOAD EXAMIANS APP Let the first number be x and the second number be y.∴ y² = 82 - 15 = 64 - 15 = 49∴ y = 7∴ x² + 73 = 568= x² + 343 = 568= x² + 568 - 343 = 225∴ x = √225 = 15∴ 15 x 3/5 = 9
Number System On dividing 2272 as well as 875 by 3-digit number N, we get the same remainder. The sum of the digits of N is: 10 11 13 12 10 11 13 12 ANSWER EXPLANATION DOWNLOAD EXAMIANS APP Clearly, (2272 - 875) = 1397, is exactly divisible by N.Now. 1397 = 11 * 127The required 3-digit number is 127, the sum of whose digit is 10.
Number System Supply the missing figure : 1, 4, 9, 16, 25 .... 49 42 36 16 23 42 36 16 23 ANSWER EXPLANATION DOWNLOAD EXAMIANS APP 36
Number System Four-fifth of a number is 10 more than two-third of the same number. What is the number? 35 91 89 75 35 91 89 75 ANSWER EXPLANATION DOWNLOAD EXAMIANS APP 75
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