1. There are 4 married couples, out of which, 3 poeple in a group is needed. But there should not be his or her spouse in the group. How many groups are possible?

Ans: 32.

2. In the 4 digits 1,2,3,4, how many 4 digited numbers are possible which are divisible by 4? Repeatations are allowed.

Ans: 64.

3. Two men are going along a track of rail in the opposite direction. One goods train crossed the first person in 20 sec. After 10 min the train crossed the other person who is comming in opposite direction in 18 sec. After the train has passed, when the two persons will meet?

Ans: Approx. 72 min, check it once.

4. The no. of children, adults. The no. of adults the no. of boys. The no. of boys no. of girls. The no. of girls no. of family. Conditions:-

1. No family is without a child.

2. Every girl has at least one brother and sister.

Ans: c > a > b > g > f; 9 6 5 4 3.

6. There are 4 boys - Anand, Anandya, Madan and Murali with nic-names perich, zomie, drummy and madeena not in the same order. Some conditions.

Ans: Anand : Perich

Anandya : Drummy

Madan : Zombie

Murali : Madeena

7. There are 2 diamonds, 1 spade and 1 club and 1 ace and also 1 king, 1 jack and 1 ace are arranged in a straight line.

1. The king is at third place.

2. The left of jack is a heart and its right is king.

3. No two red colours are in consecutive.

4. The queens are separated by two cards.

Write the order of which suits (hearts ,clubs)and names (jacks queens etc.) are aranged?

8. Write each statement as true or false.

**8 Marks**

1. The sum of the first three statements and the second false statement gives the true statement.

2. The no. of true statements > No. of false statements.

3. The sum of second true statement and first false statement gives the first true statement.

4. There are atmost 3 false statements.

5. There are no two consequtive true statements.

9. Question on Venn diagram.

All handsome are also fair skinned.

Some musculars are fair skinned.

Some musculars are also handsome.

All lean are also muscular.

Some lean are also fair skinned.

All rich man are not fair skinned but all rich men are handsome.

10. There are 3 piles each contains 10, 15, & 20 stones. There are A, B, C, D, F, G and H persons. One man can catch upto four stones from any pile. The last man who takes will win. If first A starts next B and so on, who will win?

Ans: May be F.

Essay Writing

** 1. Intrnet revolution.**