In 10 years, A will be twice as old as B was 10 years ago.
In 10 years, A will be twice as old as B was 10 years ago. If A is now 5 years older than B the present age of B is
Answer/Solution
35
Steps/Work
let present age of A be a and B be b
a+10 = 2*(b-10)
=> 2b-a = 30 ......(i)
a = b+5
=>2b-b-5 = 30
b=35
so the present age of b is 35 years
ANSWER:D
a+10 = 2*(b-10)
=> 2b-a = 30 ......(i)
a = b+5
=>2b-b-5 = 30
b=35
so the present age of b is 35 years
ANSWER:D