Sum of the two numbers is 21 and their difference is 7 . what is the half of the greater number?

you can now buy 5 more Oranges with Tk. 75 due to reduction in rice by 20 percent Calculate the current price...

In a sugar -water solution , the ratio of water to sugar is 8: 3 . If you add 2 kgs of sugar, the ratio become...

The average of 6 number is 9 , when one number is discarded the average of the remaining numbers becomes 7.2 ....

In a class composed of x girls and y boys what part of the class is composed of girls.

Karm can type 10 pages in 5 minutes. Rahim can type 2 pages in 10 minutes Working together, how many pages can...

If the length and width of a rectangular garden plot were each increased by 20 percent , what would be the per...