HOW TO JOIN AIRFORCE X GROUP

How many - COOH groups are present in Aspartic acid

Direction Read the following passage and answer the questions based on it. Read the passage given below and answer the question that follow: In a club of 30 people, all of them belong to at least one group - Chess, Drama and Art. 6 people belong only to the Art group. 5 people belong to all the three groups. 2 people have joined the Chess and the Art group but not the Drama group. 15 people belong to the Art group.2 people have joined only the Chess group. 3 people have joined only the Drama group. How many people have joined the Chess and the Drama group but not the Art group? (A) 12 (B) 10 (C ) 15 (D) 13

A group of boys has an aver age weight of 36 kg. One boy weighing 42 kg leaves the group and another boy weighing 30 kg joins the group. If the average now becomes 35.7 kg. then how many boys are there in the group?

The average of the ages of a group of 65 men is 32 years. If 5 men join the group , the average of the ages of 70 men is 34 years. Then the average of the ages of those 5 men joined later (in years) is :