The average of ages of 10 persons in a club was 32. What should be the age of the new person joining in the club so as to increase the average by 4 ?
Choose the correct choice from the following answers
A) 76
B) 2366
C) 299
D) 277
E) 221
Correct Option: D   Explanation:   Total age of 10 persons = 10 × 32 = 320   Total age of 11 persons = 11 × 36 = 396 (as the new average is 4 more than present average)   So the age of the person joining is = 396 - 320= 
<gadget id="calculator">396 - 320</gadget>
<output>76</output>
76   76nswer:76
<result>A</result>
The average of ages of 10 persons in a club was 32. What should be the age of the new person joining in the club so as to increase the average by 4 ?