The least value of n, such that (1 + 3 + 3² + ... + 3ⁿ) exceeds 2000, is-

Directions: The bar graph given below shows the spending of family income on various items and savings during 1993. Observe the graph and answer the following questions:

If the total income of the family during 1993 was ₹ 100000, the savings of the family in 1993 was: 

An item is sold at two successive gains of 30% and 20%. If the final selling price is Rs 31200, then what is the cost price (in Rs)?

A man had a certain amount with him. He spent 20% of that to buy an article and 5% of the remaining on transport. Then he gifted ₹ 120. If he is left with ₹ 1,400, the amount he spent on transport is: 

If the height of a cylinder is increased by 15% and the radius of its base is decreased by 10%, then by what percent will its curved surface area change?

if one of the interior angles of a regular polygon is $$15\over 16$$ times of one of the interior angles of a regular decagon, then the number of diagonal of the polygon is.

(444% of 521) ÷972=?

Study the following bar chart and answer the questions carefully.

What is the absolute change in overall sales turnover of the five companies together between 2001 - 2002 and 2002 - 2003 ?