Question
A thief is spotted by a policeman from a distance of 200
m. When the policeman starts chasing, the thief also starts running. If the speed of the thief be 16 km/hr and that of the policeman be 20 km/hr, how far the thief will have run before he is overtaken?Solution
A person borrows ₹5000 at 12% per annum simple interest. He repays ₹3200 at the end of 2 years. How much does he still owe after 2 years?
- A discount of 20% was offered on a product. If the product was marked 75% above the cost price, find the profit percentage.
What is the primary purpose of an operating system in a computer system?
In a right triangle, the sides are in the ratio 3:4:5. A circle is inscribed in the triangle. What is the area of the triangle covered by the circle?Â
If cos A = 4/5 and A is an acute angle, find the value of 3 tan A + 4 sec A.
A and B invested ₹50,000 and ₹75,000, respectively, in a business. After 6 months, A withdrew ₹10,000, and B added ₹25,000. At the end of the ye...
The derivative of y = eË£ · cos(x) isÂ
Find the distance between points A(2, 3) and B(7, 8).
If the homogeneous system of equations
x + y + z = 0
2x + 3y + 4z = 0
has a non-trivial solution, then the value of k is:
3x + 5y + kz = 0
