The sum age of A and B after 4 years is 28. If the ratio of the present age of A to B is 3: 2, then find the average of their ages after 6 years.

Two trains start at the same time from P and Q and moves towards each other at the speed of 80 and 95 km/hr respectively. When they meet, it is found that fastest train covers 210 km more than the other. Find the distance between P and Q.

A vessel of 90 litres is filled with spirit and water. 75% of spirit and 30% of water is taken out of the vessel. It is found that the vessel is emptied by 55%. Find the initial quantity of spirit.

What least number must be added to 2211 to make it exactly divisible by 84?

Three pipes A, B and C can fill a cistern in 6 hrs. After working together for 3 hrs, C is closed and A and B fill the cistern in 9 hrs. Then, find the time in which the cistern can be filled by pipe C.

 In the following questions, find the value of two quantities given in the question and find the relation between them.

Quantity I: a^2X x a^3X ÷ a^X = a⁸, then find value of X.

Quantity II: Y² + 6Y + 9 = 0, then find the values of Y.

 In the following questions, find the value of two quantities given in the question and find the relation between them.

Quantity I: Side of a square is 48 cm. Find its area.

Quantity II: Diameter of the circle is 70 cm. Find its area.

In the following questions, find the value of two quantities given in the question and find the relation between them.

Quantity I: C.P of an article is Rs.720 and S.P is Rs. 840. Find the profit percent.

Quantity II: Marked price of an article is 60% more than the C.P of the article. After giving discount of 20% it is sold at S.P of Rs. 7680. Find the profit or loss%.

 In the following questions, find the value of two quantities given in the question and find the relation between them.

Quantity I: A car covers a distance of 150 km in 1(1/2) hrs. Find the speed of the car.

Quantity II: Speed of the train is 25 m/sec.

 In the following questions, find the value of two quantities given in the question and find the relation between them.

Quantity I: The ratio of present age of A to B is 7: 8, and the sum of their age is 75 years. Find the present age of A.

Quantity II: Age of C is 35 yrs.