The ratio of milk and water in mixture of four containers are 5:3,2:1, 3:2 and 7:4 respectively. In which container is the quantity of milk, relative to water, minimum?

Walking at 5 km / h Harshit reaches his school from his house 15 minute early and walking at 3 km/h he is late by 9 minutes. What is the distance between his school and his house?

$$ {\sqrt{8\ {^{3}\sqrt{729}}}=?}$$

Study the given pie chart and answer the question that follows.
Distribution (Degree wise) of students studying in schools A, B, C, D and E
Total Number of students =9000

The number of students in School E exceeds the total number of students in school A and B by x, where x lies between:

Direction: Study the following information and answer the related questions. P, Q, R, S, T, A, B, C, D and E are employees of a company. A table shows the average age of any two employees of the company. The average age of A and B is 27.5.
i.e. average age of A & P is given as (A+P)/2=39.5

What is the average age of D, R and S?

The edges of a cuboid are in the ratio 1 : 2: 3 and its surface area is  88 sq.cm. The volume of the cuboid is:

How many pairs of twin primes are there between the integers 1 to 100? 

The average of 5 numbers, arranged in a row, is 309. The average of the first two of these numbers is 431 and the average of the last two of these numbers is 231.5. What is the value of the number at the center of the row?