Number System What is the difference between the largest number and the least number written with the digits 7, 3, 1, 4? 6084 6184 5084 6048 6084 6184 5084 6048 ANSWER DOWNLOAD EXAMIANS APP
Number System (3² x 4² x 5) ÷ 36 = (?)² - 80 14 16 12 10 14 16 12 10 ANSWER EXPLANATION DOWNLOAD EXAMIANS APP (?)² = 3² x 4² x 5/36 + 80= 20 + 80 = 100∴ ? = √100 = 10
Number System What is the sum of all the composite numbers up to 20? 128 131 130 132 128 131 130 132 ANSWER EXPLANATION DOWNLOAD EXAMIANS APP 4 + 6 + 8 + 9 + 10 + 12 + 14 + 15 + 16 + 18 = 132
Number System Four-fifth of a number is 10 more than two-third of the same number. What is the number? 89 35 75 91 89 35 75 91 ANSWER EXPLANATION DOWNLOAD EXAMIANS APP 75
Number System Complete the series : 11, 12, 17, 18, 23, 24 ... 14 12 None of these 30 14 12 None of these 30 ANSWER EXPLANATION DOWNLOAD EXAMIANS APP None of these
Number System If the difference between a number and its 2/5 is 240, find the number. 480 400 440 360 480 400 440 360 ANSWER EXPLANATION DOWNLOAD EXAMIANS APP Let the no. be x Therefore x - 2x/5 = 240, Therefore, 3x/5 = 240Therefore, x = 240x5/3 = 400
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