A and B can do a piece of work in 28 and 35 days respectively. They began to work together but A leaves after sometime and B completed remaining work in 17 days. After how many days did A leave? 

Directions: Given table shows the data of population in 5 different parks. Study the data carefully and answer the questions.

By what percent female population in park D is more or less than the male population in park E?

The least number which when divided by 4, 6, 8, 12 and 16 leaves a remainder of 2 in each case is: 

Kuldeep sells an article for ₹ 3240 and earns a profit of 20%. What is the cost price of the article?

What is the age of A in a group of 6 students – A, B, C, D, E and F whose average age is 16 years?
Statement I: Total age of B and D is 30 years
Statement II: Total age of E and F is 31 years.
Statement III: Total age of A is 10 years.

If the compound interest rate is 20% per annum compounded half yearly, then what will be the interest for two years on the principal of Rs. 100000?

The digit in the unit's place of the number represented by (7⁹⁵ - 3⁵⁸) is: 

The wooden box measure 20 cm by 12 cm by 10 cm. Thickness of wood is 1 cm. The volume of wood to make the box (in cubic cm) is