Number System How many numbers up to 100 are divisible by 7? 107 100 93 14 107 100 93 14 ANSWER EXPLANATION DOWNLOAD EXAMIANS APP 100/7 = 14 2/7 => 14 Numbers
Number System 64% of 2650+40% 0f 320=? 1824 1578 2096 1247 1824 1578 2096 1247 ANSWER EXPLANATION DOWNLOAD EXAMIANS APP 1824
Number System 5525 ÷ 17 = √? 93025 99225 105625 112225 93025 99225 105625 112225 ANSWER EXPLANATION DOWNLOAD EXAMIANS APP √? = 5525/17 = 325∴ ? = (325)² = 105625
Number System Simplify the 121 * 175 + 363 * 275 363000 316600 328100 None of these 363000 316600 328100 None of these ANSWER EXPLANATION DOWNLOAD EXAMIANS APP 121 * 175 + 363 * 275 => 121 * 175 + 121 * 3 * 275121 * 175 + 121 * 825= 121 * (175 + 825) = 121000
Number System The average of five consecutive even numbers A, B, C, D and E is 54. What is the product of'B' and 'E' ? 4098 2871 1456 3016 4098 2871 1456 3016 ANSWER EXPLANATION DOWNLOAD EXAMIANS APP Because, The even numbers are consecutive and their average is 54.∴ The number C will be 54.∴ A = 50, B = 52, D = 56, E = 58B x E = 52 x 58 = 3016
Number System The product of two consecutive odd numbers is 4095 What is the greater number ? 65 61 74 69 65 61 74 69 ANSWER EXPLANATION DOWNLOAD EXAMIANS APP Let the two consecutive odd numbers be 2x - 1 and 2x + 1.(2x - 1) (2x - 1) = 4095= 4x² - 1 = 4095= 4x² = 4096= x² = 1024∴ x = 32∴ The numbers are 63 and 65.Greater number = 65
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