if 120% of a is equal to 80% of b, then $${b+a}\over {b-a}$$ is equal to

Directions: Read the below data carefully and answer the following questions.
The table shows the total number of ice cream (Chocobar + Cornetto) was given by Santa Claus on the day of Xmas to 5 children. It also shows the number of Chocobar ice-creams is how much more or less percentage of the total number of Cornetto ice-creams.

Find the difference between the total number of Cornettoes all of them have and the total number of Chocobars everyone has.

In a circle, O is the centre of the circle. Chords AB and CD intersect at P. If ∠AOD=32° and <COB = 26°, then the measure of ∠APD lies between:

The radius of a cone is 20 cm and height is 21 cm, the total surface area of the cone is in square cm:

What is the value of $${cos^2A\over {1+sinA}}$$?

If the compound interest rate is 20%  per year, compounded half-yearly, then what will be the interest of two years on the principal of 1,00,000?

When x = 1, then value of |2x – 1| + |x – 3| will be -

What sum will amount to ₹ 7000 in 5 years at $$3{1\over3}\%$$ simple interest ?