Question

two numbers are in the ratio 2:5.if each number is increased by13, the ratio will become 5:6. the sum of the numbers is ?​

Answer 1

Answer:

7

Step-by-step explanation:

take 2 numbers as 2x and 5x

13 is added to each number.so,

2x + 13 5

------------- = ----

5x + 13 6

APPLY cross multiplication,

x = 1

substitute x = 1 in 2x and 5x will be 2 and 5

sum of the 2 digits is = 2 + 5= 7