(x+2y) (x² + 4y² – 2xy) equal to- 

Find the value of $$ {\sqrt{(cos^{2}20°+cos^{2}70°)}}$$

The HCF and LCM of two numbers are 44 and 264 respectively. If the first number is divided by 2, the quotient is 44. The other number 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:

The percent of income spent on clothing exceeds that on savings by : 

If 6 men and 8 boys can do a piece of work in 10 days and 26 men and 48 boys can do the same in2days, then the time taken by 15 men and 20 boys to do the same type of work will be

4/5 of a number is 10 more than two-thirds of the same number. What is that number?

In a school 80% of the students are girls. The number of boys are 500. Then the total number of students in the school is

If today is Sunday, what will be the 59th day after today?