Solution:

CAT

Explanation:
1. LOCATE
2. EDUCATE
3. CATER
4. CATTLE

Solution:

'five'

Its the count of alphabet

Solution:

This statement is true but only in a specific case i.e. if both of the siblings continue to live till the day the younger is as old as the elder one was during the time of their birth.

Solution:

A Spider

Solution:

prinka is 10, in a system that awards five for each vowel.

Solution:

Put one red marble in one box and all other marbles in the 2nd box.

Probability :
50 + 24/49

Solution:

To do it, the marbles must be arranged as the vertices of an octahedron. If you are unsure, check the image below.

Solution:

99 matches.

The number of matches will always sum up to one less than the number of players in a knock out tournament. You may calculate it in any manner. Thus 99 matches were played.

Solution:

Six.

There are only five colors, so six socks guarantee that two will be the same color.

Solution:

What is the correct time ?

Solution:

The wise man told them to switch the horses and then race. In this manner, both of them will be willing to race as fast as they can to prove that the other horse (his own horse) is slow.