Number System If 1.5 x= 0.04 y, then the value of (y-x) (y+x) is: 73/77 93/77 77/73 83/77 73/77 93/77 77/73 83/77 ANSWER EXPLANATION DOWNLOAD EXAMIANS APP 73/77
Number System What is the sum of all the composite numbers up to 20? 130 132 128 131 130 132 128 131 ANSWER EXPLANATION DOWNLOAD EXAMIANS APP 4 + 6 + 8 + 9 + 10 + 12 + 14 + 15 + 16 + 18 = 132
Number System If the average of two numbers is 88.5 and one number is 5.5 less than the average. Find out the next number. 86 94 97 91 86 94 97 91 ANSWER EXPLANATION DOWNLOAD EXAMIANS APP 94
Number System The sum of two numbers is 22. Five times one number is equal to 6 times the other. The bigger of the two numbers is: 15 16 10 12 15 16 10 12 ANSWER EXPLANATION DOWNLOAD EXAMIANS APP Let the numbers be x and (22 - x). Then,5x = 6(22 - x) 11x = 132 => x = 12So, the numbers are 12 and 10.
Number System In a fraction, twice the numerator is two more than the denominator. If 3 is added to the numerator and the denominator each, then the resultant fraction will be 2/3 .What was the original fraction 11/12 17/12 7/12 19/12 11/12 17/12 7/12 19/12 ANSWER EXPLANATION DOWNLOAD EXAMIANS APP 7/12
Number System (12)² - (4.4)² - (0.04)² = ? 131.6384 125.6384 129.6384 124.6384 131.6384 125.6384 129.6384 124.6384 ANSWER EXPLANATION DOWNLOAD EXAMIANS APP (12)² - (4.4)² - (0.04)²= 144 - 19.36 - 0.0016= 124.64 - 0.0016= 124.6384