Number System 486+32×25—59=? 567 596 582 528 567 596 582 528 ANSWER EXPLANATION DOWNLOAD EXAMIANS APP 528
Number System What is the difference between the largest number and the least number written with the figures 3, 4, 7, 0, 3? 70983 43883 43983 43893 70983 43883 43983 43893 ANSWER EXPLANATION DOWNLOAD EXAMIANS APP 74330 Largest30347 Smallest-------------43983
Number System Two-third of a positive number and 25/216 of its reciprocal are equal. The number is: 5/12 25/144 144/25 12/5 5/12 25/144 144/25 12/5 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 The product of two consecutive odd numbers is 4095 What is the greater number ? 65 69 74 61 65 69 74 61 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
Number System 728.038 x 54.978 - 72.016 x 85.250 = ? 53900 23900 33900 43900 53900 23900 33900 43900 ANSWER EXPLANATION DOWNLOAD EXAMIANS APP ? = 728 x 55 - 72 x 85.25 = 40040 - 6138 = 339900
Number System The sum of five consecutive numbers is 190. What is the sum of the largest and the smallest number ? 74 75 73 76 74 75 73 76 ANSWER EXPLANATION DOWNLOAD EXAMIANS APP x + x + 1 + x + 2 + x + 3 + x + 4= 190= 5x + 10 = 190= 5x = 190 - 10 = 180= x = 180/5 = 36The largest number = 36 + 4 = 40∴ Required sum = 36 + 40 = 76
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