Practicing Success
Practicing Success
CUET Preparation Today
The average of 3 odd consecutive numbers is 15. What is the sum of first and last numbers? |
30 20 40 35 |
30 |
Let the 3 consecutive odd numbers are:x, x+2, x+4 Now, according to question, Average = 16 $\frac{x+x+2+x+4}{3}=16$ $⇒x=13$ Numbers are 13, 15, 17 Sum of first and last number = 13 + 17 = 30 |
