Quantitative Ap...

The average age of a group of travellers is 25 years. For a certain trip to Australia, the average age has to be a maximum of 24 years, so they included A in their group to satisfy the criteria. For a certain trip to South Africa, the average age of the group has to be a minimum of 26 years. To satisfy this, the original group (excluding A) included B in their group. What is the average of the highest possible age of A and the lowest possible age of B?

A bag contains Rs. 1, 50 p and 25 p coins. The number of 25 p coins is numerically equal to the total value of all the 50 p coins (in Rs). Aso, the total amount in the bag is equivalent to one thousand 25 p coins. The number of Rs. 1 coins is 14 less than the total value of all 25 p coins(in Rs). What is the total value of all the 50 p coins as a percentage of the total amount of money present in that bag?

In Cracku, 60% of the enrolled students read newspaper A, 50% of the enrolled students read newspaper B, 30% of the enrolled students read newspaper C, 40% of the enrolled students read newspaper D. While a particular student may read more than one newspaper, each student must read at least one newspaper. It is known that no one reads 2 or 3 newspapers, which of the following is a possible number of enrolled students in Cracku?

What is value of [g(12)]. [x] represents the greatest integer less than or equal to x

If a polynomial function exists such that  what is the absolute value of f(4)?

Let p be sum of all the values of k which satisfy the equation:

5{k}+2 = 2[k-1]

What is the value of [2p-1]?

Here {x} denotes the fractional part of x and [x] denotes the greatest integer less than or equal to x

Find the minimum value of the following function:

f(x) = max (x²  - 5x + 6,x²)

10 spheres of radius "R" are melted into making right cones of radius 

What is approximate change in the curved surface area?

2 circles of the same radius are on a 2-D plane that exists such that the centre of one circle lies on the circumference of another circle. A quadrilateral is constructed by taking the two points of intersection of the circles and their centres. What is the ratio of the area of the quadrilateral to the area of 1 circle?