**A rectangular floor which measures 15 m x 8 m is to be laid with tiles measuring 50 cm x 25 cm find the number of tiles required further, if a carpet is laid on the floor so that a space of 1 m exists between its edges and the edges of the floor, what fraction of the floor is uncovered?**

**Solution:**

**More Solutions:**

- AD is a diameter of a circle and AB.
- If AB = 12 cm, BC = 16 cm and AB.
- O is the centre of the circle.
- Find the lengths of :
- If QR = 12 cm, calculate PQ.
- Find its distance from the centre of the circle.
- Calculate the distance CD.
- Prove that NOMP is a square.
- Prove that AD bisects ∠BAC and ∠BDC.
- Find the area of a triangle.