Number System A canteen requires 17 dozen of eggs per week. How many eggs will it require from January 1 to February 11 ? 820 525 987 1224 820 525 987 1224 ANSWER EXPLANATION DOWNLOAD EXAMIANS APP Number of days from Jan 1 to Feb 11th= 31 + 11 = 42 days = 6 weeks∴ Total eggs =17 x 12 x 6 = 1224
Number System When (21)² is subtracted from the square of a number the answer obtained is 1584. What is the number ? 55 35 45 65 55 35 45 65 ANSWER EXPLANATION DOWNLOAD EXAMIANS APP Let the number be x.According to the question,x² - (21)² = 1584= x² - 441 = 1584 = x² = 1584 + 441 = 2025∴ x = √2025 = 45
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 36 27 18 30 36 27 ANSWER EXPLANATION DOWNLOAD EXAMIANS APP (3x-9):(5x-9) = 9:17 x = 12 => 3x = 36
Number System √(17)² + (17)² + (5)² - 2 = ? 16 17 19 18 16 17 19 18 ANSWER EXPLANATION DOWNLOAD EXAMIANS APP ? = √49 + 289 + 25 - 2 = √361 = 19
Number System (4300731) - ? = 2535618 1675123 1775123 1765113 1865113 1675123 1775123 1765113 1865113 ANSWER EXPLANATION DOWNLOAD EXAMIANS APP Let 4300731 - x = 2535618Then, x = 4300731 - 2535618 = 1765113
Number System A number when divided by 221 gives a remainder 43, what remainder will be obtained by dividing the same number 17? 5 9 10 11 5 9 10 11 ANSWER EXPLANATION DOWNLOAD EXAMIANS APP 221 + 43 = 264/17 = 9 (Remainder)
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