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ATQ, Sum of P1, P2, P3, and P4 = (13 + x) × 4 = 52 + 4x Sum of P1 and P2 = (10 + x) × 2 = 20 + 2x Sum of P3 and P4 = (10 + 2x) × 2 = 20 + 4x Now, setting the equations equal: 20 + 2x + 20 + 4x = 52 + 4x Or, x = 6 Sum of P3 and P4 = 20 + 4 × 6 = 44 P3, P4 = 19, 23 Answer: P4 = 23
The ratio of the ages of A and B is 3:4. Five years later, the ratio of their ages will be 4:5. What are their present ages?
A car travels from city A to city B at a speed of 60 miles per hour and returns to city A at a speed of 40 miles per hour. If the total round trip takes...
The lengths of two sides of a parallelogram are 3 cm and 10 cm. What is the sum of the squares of the diagonals of the parallelogram?
A principal of ₹8000 is invested at a compound interest rate of 10% per annum. What will be the amount after 2 years?
The main folder on a storage device is known as
Find the value of 'm'.
A shopkeeper marks up the price of an article by 40% on its cost price. He then offers a discount of 10% on the marked price. If the shopkeeper still ma...
A mixture contains 40 liters of milk and 10 liters of water. How much milk should be added to make the ratio of milk to water 5:1?
Rs. 156 is to be shared among 40 students, if each girl receives Rs.4.50, and boy receive Rs.3.50. Find the ratio of number of boys and girls.
