Question : The average weight of the 25 members of the group is 39 kg. The average weight of 27 members of another group is 21 kg. What will be the total weight of the members of both groups?

Option 1: 1426 kg

Option 2: 1542 kg

Option 3: 1507 kg

Option 4: 1714 kg

Question : A seller uses a faulty weight in place of a 2 kg weight and earns a 25% profit. He claims that he is selling at the cost price in front of the customers but uses a faulty weight. How much error is there in the 2 kg weight to gain 25%?

Option 1: 250 gm

Option 2: 400 gm

Option 3: 500 gm

Option 4: 300 gm

Question : The average weight of R, P, and K is 40 kg. If the average weight of P and K is 45 kg and the average weight of R and K is 35 kg, then what is the weight of K?

Option 1: 40 kg

Option 2: 70 kg

Option 3: 90 kg

Option 4: 120 kg

Question : The average weight of 8 students is 48 kg. If four students with an average weight of 44 kg and four with an average weight of 58 kg are also added, then find the average weight of 16 students.

Option 1: 49.5 kg

Option 2: 48 kg

Option 3: 49 kg

Option 4: 48.5 kg