Number System Subtracting 30 from a number, the remainder is one fourth of the number. Find the number? 40 30 22 1/2 45 40 30 22 1/2 45 ANSWER EXPLANATION DOWNLOAD EXAMIANS APP 3/4 x = 30 => x = 40
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 Two numbers are in the ratio 3:5. If 9 be subtracted from each, they are in the ratio of 9:17. The first number is: 18 30 27 36 18 30 27 36 ANSWER EXPLANATION DOWNLOAD EXAMIANS APP (3x-9):(5x-9) = 9:17 x = 12 => 3x = 36
Number System 666 / 6 / 3 = ? 37 111 333 84 37 111 333 84 ANSWER EXPLANATION DOWNLOAD EXAMIANS APP 666 * 1/6 * 1/3 = 37
Number System 36% of 850+? % of 592 = 750 50 12.5 75 25 50 12.5 75 25 ANSWER EXPLANATION DOWNLOAD EXAMIANS APP 75
Number System What is the least number to be subtracted from 696 to make it a perfect square? 1 16 20 71 1 16 20 71 ANSWER EXPLANATION DOWNLOAD EXAMIANS APP The numbers less than 696 and are squares of certain numbers are 676, 625.The least number that should be subtracted from 696 to make it perfect square = 696 - 676 = 20.
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