Practicing Success
There are two numbers such that the first number is three times of the second number. If the average of these two numbers is 72, then what is the first number? |
108 54 36 64 |
108 |
Let second number = a Then 1st number = 3a ATQ , a + 3a = 2 × 72 = 144 4a = 144 a = 36 First number = 3a = 3 × 36 = 108 |