Number System The simplest form of 1.5 : 2.5 is : 13 : 11 5 : 7 17 : 19 3 : 5 13 : 11 5 : 7 17 : 19 3 : 5 ANSWER EXPLANATION DOWNLOAD EXAMIANS APP 3 : 5
Number System If the fractions 1/7, 3/5, 2/5, 5/6 and 9/11 are arranged in descending order of their values, which one will be the fourth number? 1/5 4/5 2/5 3/5 1/5 4/5 2/5 3/5 ANSWER EXPLANATION DOWNLOAD EXAMIANS APP 1/4 = 14. 3/5 = 6.2/5 = 4.5/6 = 83.9/11 = 82.Therefore, 83 > 82 > 6 > 14
Number System The difference between two integers is 5. Their product is 500. Find the numbers. 30, 25 20, 25 21, 26 15, 20 30, 25 20, 25 21, 26 15, 20 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 The sum of three consecutive even numbers is 252. What is the sum of the smallest and the largest numbers? 171 170 169 168 171 170 169 168 ANSWER EXPLANATION DOWNLOAD EXAMIANS APP 168
Number System If the following fractions 7/6, 6/7, 5/3, 8/13 and 6/5 are arranged in descending order, which will be the last in the series? 9/13 8/13 6/13 7/13 9/13 8/13 6/13 7/13 ANSWER EXPLANATION DOWNLOAD EXAMIANS APP 7/6 = 1.166, 6/7 = 0.857,5/3 = 1.66,8/13 = 0.615,6/5 = 1.2Therefore, 5/3 > 6/5 > 7/6 > 6/7 > 8/13
Number System Sum of two numbers is 15. Two times of the first exceeds by 5 from the three times of the other. Then the numbers will be? 10, 5 7, 8 6, 9 9, 6 10, 5 7, 8 6, 9 9, 6 ANSWER DOWNLOAD EXAMIANS APP
EXAMIANS