Solve the following problems using two variables:
If the numerator of a fraction is increased by 1, Its volume becomes 3/4 if its denominator is increased by 2. Its value become 1/2 . Find the fraction.

If 1 is added to the numerator of a certain fraction its value becomes 1/2 and if 1 is added to its denominator then value of fraction becomes 1/3. Find the original fraction.

Solve the following problems: Solve : 1/(4-p)-1/(2+p)=1/4.

Solve the following problem using two variables: Sum of the present ages of Manish and Savita is 33. Manish's age 3 years ago was 4 times the age of Savita. Find their present ages.

Choose the correct alternative answer for each of the following question The denominator of a fraction is 2 more than the numerator. If 1 is subtrated from the numerator and 1 is added to the denominator, the fraction becomes 1/2 . What is the fraction?