Number System A canteen requires 17 dozen of eggs per week. How many eggs will it require from January 1 to February 11 ? 525 1224 820 987 525 1224 820 987 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 Complete the series : 81, 69, 58, 48, 39 ........ 31 29 28 30 31 29 28 30 ANSWER EXPLANATION DOWNLOAD EXAMIANS APP 31
Number System The sum of three consecutive multiples of 3 is 72. What is the largest number? 27 24 36 21 27 24 36 21 ANSWER EXPLANATION DOWNLOAD EXAMIANS APP Let the numbers be 3x, 3x + 3 and 3x + 6.Then,3x + (3x + 3) + (3x + 6) = 729x = 63x = 7Largest number = 3x + 6 = 27.
Number System Supply the missing figure : 1, 4, 9, 16, 25 .... 49 23 36 16 42 23 36 16 42 ANSWER EXPLANATION DOWNLOAD EXAMIANS APP 36
Number System The product of two natural numbers is 17. Then, the sum of the reciprocals of their squares is: 1/289 290/289 289 289/290 1/289 290/289 289 289/290 ANSWER EXPLANATION DOWNLOAD EXAMIANS APP Let the numbers be a and b. Then,ab = 17, a = 1 and b = 17So, 1/a2 + 1/b2 = (a2 + b2)/a2 b2 = (12 + 172)/(1 * 17)2 = 290/289
Number System (800 / 64) * (1296 / 36) = ? 460 500 420 None of these 460 500 420 None of these ANSWER EXPLANATION DOWNLOAD EXAMIANS APP Given Exp.= 800/64 * 1296/36 = 12.5 * 36 = 450
EXAMIANS