### The average weight of 12 parcels is 1.8 kg. Addition of another new parcel reduces the average weight by 50 gm. What is the weight of the new parcel ?

A. 1.50 kg B. 1.10 kg C. 1.15 kg D. 1.01 kg Answer: Option C

### Solution(By Apex Team)

Let the weight of the new parcel = x kg. According to the question, $\begin{array}{l}\text{⇒ 12 × 1.8 + x = 13 × 1.75}\\ \text{⇒ 21.6 + x = 22.75}\\ \text{⇒ x = 1.15 kg}\end{array}$

A. 20
B. 21
C. 28
D. 32

A. 18
B. 20
C. 24
D. 30

A. 10 years
B. 10.5 years
C. 11 years
D. 12 years