Two number are in the ratio of 2:3. If 9 (Nine) is added to each number, they will be in ratio 3:4. What is the product of the two numbers?

If P : Q = 5 : 2, then (2P - 3Q) : (3P - 5Q) is equal to:

'A' started a business with investment of ₹5000. After 2 months, 'B' & 'C' joined with ₹2500 and ₹3500, respectively. If total annual profit was ₹4800, what was B's share in annual profit?

Harish divides two sums of money among his four sons Naresh, Vipin, Bhupesh, and Yogesh. The first sum is divided in the ratio $4:3:2:1$ and second in the ratio $5:6:7:8$. If the second sum is twice the first, then the largest total is received by

P, Q, and R invested Rs. 25,000, Rs. 50,000, and Rs. 25,000 respectively to start a business. At the end of two years, they earned a profit of Rs. 48,000. What will be Q's share?

Seeta got married 6 years ago. Today her age is $1\frac{1}{4}$ times her age at the time of her marriage. Her son's age is $\frac{1}{10}$ times her present age. What is the present age of her son?

The father’s age is six times his son’s age. Four years hence, the age of the father will be four times his son’s age. The present ages (in years) of the son and the father are, respectively