Number System (3² x 4² x 5) ÷ 36 = (?)² - 80 14 12 10 16 14 12 10 16 ANSWER EXPLANATION DOWNLOAD EXAMIANS APP (?)² = 3² x 4² x 5/36 + 80= 20 + 80 = 100∴ ? = √100 = 10
Number System If the numberator of a fraction is increased by 50% and denominator by 20% the fraction become 9/15. What was the original fraction ? 13/25 12/25 3/5 6/7 13/25 12/25 3/5 6/7 ANSWER EXPLANATION DOWNLOAD EXAMIANS APP Let the fraction be x/yWe have 150x/120y = 9/15= x/y = 12/25
Number System Difference between two numbers is 5, six times of the smaller lacks by 6 from the four times of the greater. Find the numbers? 12, 7 11, 6 10, 5 12, 9 12, 7 11, 6 10, 5 12, 9 ANSWER DOWNLOAD EXAMIANS APP
Number System Find the number of factors of 300 excluding 1 and itself. 16 18 14 15 16 18 14 15 ANSWER DOWNLOAD EXAMIANS APP
Number System How many times the keys of a typewriter have to be pressed in order to write first 400 counting numbers? 1192 1092 1082 1200 1192 1092 1082 1200 ANSWER DOWNLOAD EXAMIANS APP
Number System 3√103823 = ? 41 47 52 44 41 47 52 44 ANSWER EXPLANATION DOWNLOAD EXAMIANS APP ? = 3√103823 = 3√47 x 47 x 47 = 47
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