The ratio between two numbers is 3 : 4 and their sum is 420. What is the…

Solution: 4

Since the 2 numbers are in the ratio 3 : 4,

Hence, let these two numbers be 3m and 4m.

We are given that 3m + 4m = 420

⇒7m = 420

⇒m = 420/7

⇒m = 60

Now, larger number = 4m = 4 × 60

= 240