From four corners of a square sheet of side 4 cm, four pieces, each in the shape of arc of a circle with radius 2 cm, are cut out. The area of the remaining portion is:

Directions : The pie graph indicates the break-up of the cost of construction of a house. Assuming that the total cost of construction is Rs 6,00,000, answer the following questions. 

The amount spent on timber is : 

The area of the base of a right circular cone is 81 cm² and its height is 12 cm. What is the curved surface area (in cm2) of the cone?

Virat starts a business with Rs.6,500 and after 8 months Sohan joins Virat as his partner. After 4 years the profit is divided in the ratio of 13 : 12. What is Sohan contribution in the capital?

What is the smallest digit that must be added to the product 5786 × 5784 to make it a perfect square?

The table below shows the number of overs bowled and the number of wickets taken by five bowlers in a match

If in each over every bowler bowled 6 balls, in that match which bowler had bowled the highest number of balls per wicket taken by hin1?

Direction: The bar graph shows revenues in rupees lakhs from selling four different products (A, B, C and D) by a certain company. Study the diagram and answer the following questions.

Revenues from which product were the least in both the years 2015 and 2016?

The length and the breadth of a rectangle are 12 cm and 6 cm, respectively. What is the area of the rectangle?