In a mixture of three varieties of pulses, the ratio of their weight is 4 : 5 : 8. If 5 kg of pulses of the first variety, 10 kg of the second variety and some quantity of pulses of the third variety are added to the mixture, the ratio of the weights of three varieties of pulses becomes as 5 : 7 : 9 . In the final mixture, find the quantity of third variety of pulses was?

The present age of father and son are in the ratio 3: 1. After 20 years the ratio becomes 2 : 1 . Find the present age of the father. 

The radius of a circular wheel is 1.75 m. The number of revolutions it will make in travelling 11 km is (use  );

If certain sum, at simple interest turns into thrice of actual amount in 4 years. Find out time to become the amount thirteen times of initial amount? 

In the following questions two equations numbered I and II are given. You have to solve both the equations and ____
I.\(x^2 -218 = 106\)
II.\(y^2 - 37y + 342 = 0\)
Give answer
(A) x > y
(B) x ≥ y
(C) x < y
(D) x ≤ y
(E) x=y or the relationship cannot be established

Present ages of father and the son are in the ratio of 6 :1 respectively. 4 year hence the ratio of their ages will become 4:1 respectively. What is the son's present age ? 

Directions : A graph showing the price of rice in India during the year 2000 to 2003 is given below. Study the graph carefully and answer the questions.

The maximum difference in price between any two years was in the month of

A copper wire is bent in the form of an equilateral triangle and has area 121√3 cm² . If the same wire is bent into the form of a circle, the area (in cm²) enclosed by the wire is (Take pi= 22 /7)