A father is three times as old as his son. Eight years ago, the father was five times as old as his son. What is the present age of the son?

From the following alternatives select the word which can be formed using the letters of the given word:

EXPERIENCE

In certain code COMPUTER is written as OCPMTURE. In that code which alternative will be written as OHKCYE ?

Some equations are solved on the basis of a certain system. Find out the correct answer for the unsolved equation on that basis. If $3÷5=5, 4÷7=8, 8÷7=6$, then, what should $9÷6$ be ?

Select the correct combination of mathematical signs to replace * signs and to balance the given equation:

$28*4*9*16$

In the following question, find the missing number from the given responses.

A and B start walking from the same point. A goes north and covers $3 \mathrm{km}$, then turns right and covers $4 \mathrm{km}$. B goes west and covers $5 \mathrm{km}$, then turns right and covers $3 \mathrm{km}$. How far apart are they from each other?

If Ram's house is located to the south of Krishna's house and Govinda's house is to the east of Krishna's house. In what direction is Ram's house situated with respect to Govinda's house?

In the following question, two statements are given followed by two conclusions I and II. You have to consider the statements to be true even if they seem to be at variance from commonly known facts. You are to decide which of the given conclusions, if any, follow from the given statements. 

Statements:

1. All children are students.

2. All students are players.

Conclusions:

I. All players are students.

II. All children are players.