Number System Ratio between two numbers is 3: 4 and their sum is 420. Find the smaller number? 140 180 160 240 140 180 160 240 ANSWER DOWNLOAD EXAMIANS APP
Number System 65% of 320+?=686 479 478 481 480 479 478 481 480 ANSWER EXPLANATION DOWNLOAD EXAMIANS APP 65% of 320+?=686 208+?=686?=686-208?=478
Number System What is the missing number in this series? 8 2 14 6 11 ? 14 6 18 12 2 3 7 9 2 3 7 9 ANSWER EXPLANATION DOWNLOAD EXAMIANS APP 9
Number System The difference between two integers is 5. Their product is 500. Find the numbers. 15, 20 30, 25 21, 26 20, 25 15, 20 30, 25 21, 26 20, 25 ANSWER EXPLANATION DOWNLOAD EXAMIANS APP Let the integers be x and (x + 5). Then, x(x + 5) = 500 x2 + 5x - 500 = 0 (x + 25)(x - 20) = 0 x = 20So, the numbers are 20 and 25.
Number System A canteen requires 17 dozen of eggs per week. How many eggs will it require from January 1 to February 11 ? 525 820 1224 987 525 820 1224 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 If A + B = 30 and AB = 94, What is the value of A² + B² ? 824 712 625 920 824 712 625 920 ANSWER EXPLANATION DOWNLOAD EXAMIANS APP (A + B)² = (30)² = 900A² + B² + 2AB = 900Therefore, A² + B² = 900 - 2 x 94 = 900 - 188 = 712
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