What is the average of first 7 multiples of 7?
First 7 multiples of 7 = 7,14,21,28,35,42,49
=> Sum = $$7(1+2+3+4+5+6+7)=7\times28$$
=> Average = $$\frac{7\times28}{7}=28$$
=> Ans - (D)
Create a FREE account and get:
Day-wise Structured & Planned Preparation Guide
By proceeding you agree to create your account
Free CAT Schedule PDF will be sent to your email address soon !!!
