ratio between Rudra’s present age and his age 12 yrs back is 5:2.The ratio of his present age and his father’s age 5 yrs back is 4:9.How old is his father todaya) 50 yrsb) 55 yrs c) 60 yrs d) 65 yrs e) 56 yrs About the author Alexandra
Answer: Rudra father’s age is 50 Step-by-step explanation: Rudra’s present age is ‘x’ case(1) x : x-12 = 5 : 2 x / x-12 = 5/2 2x = 5x-60 3x = 60 x = 20 Now Rudra’s age is 20 Rudra father’s age is ‘y’ case (2) 20 / y-5 = 4/9 4y-20 = 180 4y = 200 y = 50 Rudra father’s age is 50 Reply
Answer:
Rudra father’s age is 50
Step-by-step explanation:
Rudra’s present age is ‘x’
case(1)
x : x-12 = 5 : 2
x / x-12 = 5/2
2x = 5x-60
3x = 60
x = 20
Now Rudra’s age is 20
Rudra father’s age is ‘y’
case (2)
20 / y-5 = 4/9
4y-20 = 180
4y = 200
y = 50
Rudra father’s age is 50