Weights of two friends Ram and Shyam are in the ratio 4 : 5. If Ram's weight is increased by 10% and total weight of Ram and Shyam become 82.8 kg, with an increases of 15%. By what percent did the weight of Shyam has to be increased?

Answer: Option A

Solution

Answer: Option A

Solution:

Now, given ratio of Ram and Shayam's weight = 4 : 5
Hence, $$\frac{x-15}{15-10}=\frac{4}{5}$$
Or, x = 19%