Number System Three numbers are in ratio of 3: 4 :5. If the sum of first & third numbers is more than second number by 52, which will be largest number? 23 34 65 78 23 34 65 78 ANSWER EXPLANATION DOWNLOAD EXAMIANS APP 65
Number System If the difference between the squares of two consecutive numbers is 47, what is the smaller number ? 24 25 26 23 24 25 26 23 ANSWER EXPLANATION DOWNLOAD EXAMIANS APP Let the numbers be (x + 1) and x.Therefore, (x + 1)² - x² = 47x² + 2x + 1 - x² = 472x + 1 = 47Therefore, x = 46/2 = 23
Number System If one third of 3/4 of a number is 21. Then find the number? 840 84 63 630 840 84 63 630 ANSWER DOWNLOAD EXAMIANS APP
Number System A canteen requires 17 dozen of eggs per week. How many eggs will it require from January 1 to February 11 ? 1224 525 820 987 1224 525 820 987 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 In an examination, 68% of the total examinees passed. If the number of failures is 248, the total number of examinees is 640 775 750 725 640 775 750 725 ANSWER EXPLANATION DOWNLOAD EXAMIANS APP Failed students are 32% which is 248.∴ Total = 24800/32 = 775
Number System {(742)² ÷ 36} ÷ 2 = ? 421.5 423.5 420.5 422.5 421.5 423.5 420.5 422.5 ANSWER EXPLANATION DOWNLOAD EXAMIANS APP ? = (174 x 174/36) ÷ 2 = 841/2 = 420.5
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