Number System 1051.64 - 159.42 - 96.84 + 162.37 - 940.26 + 504 = ? 511.49 521.49 501.49 491.49 511.49 521.49 501.49 491.49 ANSWER EXPLANATION DOWNLOAD EXAMIANS APP ? = 1718.01 - 1196.52 = 521.49
Number System A canteen requires 17 dozen of eggs per week. How many eggs will it require from January 1 to February 11 ? 820 987 525 1224 820 987 525 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 What is the sum of all the prime numbers from 20 to 40? 118 117 119 120 118 117 119 120 ANSWER EXPLANATION DOWNLOAD EXAMIANS APP 23 + 29 + 31 + 37 = 120
Number System If x + y = 61 and xy = 888, What is the value of x²+ y² ? 1965 1975 1945 1955 1965 1975 1945 1955 ANSWER EXPLANATION DOWNLOAD EXAMIANS APP Because (x + y)² = x² + y² + 2xy∴ x² + y² = (x + y)² - 2xy∴ x² + y² = (61)² - 2 x 888= 3721 - 1776 = 1945
Number System ?2704 x ?2209=? 2444 4444 1444 3444 2444 4444 1444 3444 ANSWER EXPLANATION DOWNLOAD EXAMIANS APP 2444
Number System 35%of ?=242 487 394 542 693 487 394 542 693 ANSWER EXPLANATION DOWNLOAD EXAMIANS APP 693
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