Question
The ratio of age of βBβ after 5 years from now and
age of βCβ 4 years ago from now is 7:4, respectively. The present age of βCβ is 40% of the present age of βAβ. If present age of βAβ is 50 years then find the present age of βBβ.Solution
Present age of βCβ = 0.4 Γ 50 = 20 years 4 years ago from now, age of βCβ = 20 β 4 = 16 years 5 years hence from now, age of βBβ = 16 Γ (7/4) = 28 years Present age of βBβ = 28 β 5 = 23 years
What must be added to each term of the ratio 3:7 so that it may equal to 4:5?
Ratio between two numbers is 5:7 and their difference is 36. Find the sum of the given two numbers.
The ages of A, B and C are in the ratio of 4:3:6 respectively. If the sum of their ages is 65 years, then find the age of B.
84 is divided into two parts in such a way that the fourth part of the first part and the fifth part of the second are in the ratio 1 : 2. The first par...
The ratio between two numbers is 3:4. If each number is increased by 8, the ratio between then become 5:6, find the difference between numbers.
The ratio of the incomes of Vineet and Vidya is 13:10 respectively. Vineet saves 20% of his income while Vidya saves 15% of his income. The sum of their...
A boy is supposed to distribute Rs.2400 among his three friends P, Q and R in the ratio of 4:3:5 respectively, but mistakenly he distributed in the rati...
- A grandmother intended to distribute Rs. 2400 among her three grandchildrenβA, B, and Cβin the ratio of 5:4:3. However, due to an error, she mistakenly...
P, Q and R together started a business. Four times the investment of P equals five times the investment of Q and the capital of Q is twice that of R. Fi...
Ratio of male to female population of a town in 2014 was 5:7 and total population in 2014 was 14400. If the male population is ___ and female populatio...