What is the total surface area of a pyramid whose base is a square with side 8 cm and height of the pyramid is 3 cm? 

Directions : Study the following pie chart carefully and answer the questions. The pie chart represents the percentage of people involved in various occupations.
Total number of people = 20000

How many more people are involved in service than in trade?

If the areas of two similar triangles are in the ratio 196 : 625,what would be the ratio of the corresponding sides? 

If a + b = 1 and a³ + b³ + 3ab = k, then the value of k is

What should come in place of the question mark '?' in the following number series?

29, 30, 26, 35, ?, 44

A wire is in the shape of a rectangle. Its length is 42.7m and breadth is 21.8m. If the same wire is re-bent in the shape of a square, what will be the measure of the side of the square?

 If 64 amount to 83.20 in 2 years what will ₹ 86 amount to in 4 years at the same rate percent per annum? 

A sum of Rs. 6,000 is deposited for 3 years at 5% per annuam compound interest (compoun- ded annually). The difference of interests for 3 and 2 years will be: