Question
At present, the age of the father is 5 times that of the
age of his son. After 10 years, the father’s age would be 3 times that of his son. Find the present ages of the son and the father?Solution
Let the present age of son = x yrs. Then, the present age of father = 5x yrs After 10 years, 3(x + 10) = 5x + 10 ⇒ 3x + 30 = 5x + 10 ⇒ x = 10 yrs ∴ Present age of son = 10 yrs & the present age of father = 50 yrs.
The following table shows the number of cars sold by a dealership in the first six months of the year.
Solve the equation: sin x = 1/2, 0 β€ x β€ 2Ο
The selling price of 8 shirts is the same as the cost price of 9 shirts. If each shirt is marked at 50% above its cost price, calculate the percentage d...
?, 241, 308, 395, 506, 645
A person 'P' invested Rs. 5,600 at a simple interest rate of 25% per annum for a specific duration, resulting in a total amount o...
An item priced at Rs. 1,500 has a markup of 36% on its cost price and is sold with two successive discounts: the first being 15% ...
Two pipes can fill a tank in 10 hours and 12 hours, respectively, while a third pipe can empty it in 20 hours. If all the three pipes are opened simulta...
Anuj invested a certain amount for 18 months at a simple interest rate of 5% per annum and received a total of Rs. 3,440. What wo...
Solve the quadratic equations and determine the relation between x and y:Β
Equation 1: xΒ² + 2x - 15 = 0
Equation 2: yΒ² - 4y - 12 = 0
The pie chart given below shows the percentage distribution of number of Samsung phones sold by a salesman during five different months out of total num...
Relevant for Exams:
