Discussion about math, puzzles, games and fun.   Useful symbols: ÷ × ½ √ ∞ ≠ ≤ ≥ ≈ ⇒ ± ∈ Δ θ ∴ ∑ ∫ • π ƒ -¹ ² ³ °

You are not logged in.

## #201 2009-01-04 22:52:50

JaneFairfax
Legendary Member

Offline

### Re: Brain Teasers

Q: Who wrote the novels Mrs Dalloway and To the Lighthouse?

## #202 2009-01-04 23:03:10

ganesh
Moderator

Offline

### Re: Brain Teasers

Absolutely right, Janefairfax!

#132. A polygon has 44 diagonals. How many sides does it have?

Character is who you are when no one is looking.

## #203 2009-01-04 23:22:09

JaneFairfax
Legendary Member

Offline

### Re: Brain Teasers

Q: Who wrote the novels Mrs Dalloway and To the Lighthouse?

## #204 2009-01-05 00:08:15

ganesh
Moderator

Offline

### Re: Brain Teasers

You are correct, Janefairfax!

#133. There are 7 men and 3 ladies. Find the number of ways in which a committee of 6 prsons can be formed if the committee is to have atleast 2 ladies.

Character is who you are when no one is looking.

## #205 2009-01-05 00:53:52

JaneFairfax
Legendary Member

Offline

### Re: Brain Teasers

Q: Who wrote the novels Mrs Dalloway and To the Lighthouse?

## #206 2009-01-05 02:11:57

ganesh
Moderator

Offline

### Re: Brain Teasers

You are correct, JaneFairfax!

Character is who you are when no one is looking.

## #207 2009-01-05 03:44:11

JaneFairfax
Legendary Member

Offline

### Re: Brain Teasers

Last edited by JaneFairfax (2009-01-05 03:45:40)

Q: Who wrote the novels Mrs Dalloway and To the Lighthouse?

## #208 2009-01-06 00:55:08

ganesh
Moderator

Offline

### Re: Brain Teasers

Correct, JaneFairfax!

Character is who you are when no one is looking.

## #209 2009-01-06 02:08:45

ganesh
Moderator

Offline

### Re: Brain Teasers

#133. The number of rectangles excluding squares from a rectangle of 9 x 6 size is _______.

#134. Out of 18 points in a plane, no three points are in the same straight line except five points which are collinear. Find
(i) the number of straight lines
(ii) the number of triangles which can be formed by joining them.

Character is who you are when no one is looking.

## #210 2009-01-06 02:18:27

ganesh
Moderator

Offline

### Re: Brain Teasers

#135. Let

.
Add all the digits of the resulting value, assume you get a value n.
Add all the digits of n, assume you get a value n'.
Add all the digits of n', assume you get n''.
Continue this process until you get a single digit.
What is the number you would get?

Character is who you are when no one is looking.

## #211 2009-01-07 07:19:07

careless25
Real Member

Offline

### Re: Brain Teasers

Last edited by careless25 (2009-01-07 07:19:17)

careless25
Real Member

Offline

## #213 2009-01-07 07:48:03

JaneFairfax
Legendary Member

Offline

### Re: Brain Teasers

Q: Who wrote the novels Mrs Dalloway and To the Lighthouse?

careless25
Real Member

Offline

## #215 2009-01-07 11:04:38

JaneFairfax
Legendary Member

Offline

### Re: Brain Teasers

Q: Who wrote the novels Mrs Dalloway and To the Lighthouse?

## #216 2009-01-07 19:58:41

ganesh
Moderator

Offline

### Re: Brain Teasers

Answers to #104, #105, #106, #107, and #108:
All correct, other than #108.
careless25,

Character is who you are when no one is looking.

## #217 2009-01-07 20:22:14

ganesh
Moderator

Offline

### Re: Brain Teasers

Answers to OOO : #94, #95, #96, #97, #98, #99, #100, and #101:

careless25,

Answers to #94, #98, #99, and #100 : Correct!

Character is who you are when no one is looking.

## #218 2009-01-07 20:29:56

ganesh
Moderator

Offline

### Re: Brain Teasers

Correct, JaneFairfax!

Character is who you are when no one is looking.

## #219 2009-01-07 20:46:42

ganesh
Moderator

Offline

### Re: Brain Teasers

Answers to #109, #110, #111, #112, #113, #114, and #115:-
careless25, the answers to #109, #111, #112, and #113 are correct.

Character is who you are when no one is looking.

## #220 2009-01-07 20:55:50

ganesh
Moderator

Offline

### Re: Brain Teasers

You are correct, JaneFairfax!

Character is who you are when no one is looking.

careless25
Real Member

Offline

## #222 2009-01-08 01:37:24

ganesh
Moderator

Offline

### Re: Brain Teasers

careless25,
I thought from that point of view for a second, but didn't go any further! That was my mistake!
Your answer too is perfectly logical and fits in.
Good thought! Well done!!!

Character is who you are when no one is looking.

## #223 2009-01-08 18:58:04

ganesh
Moderator

Offline

### Re: Brain Teasers

Complete the series:-

#136. 1, 6, 36, 216, ____

#137. 1973, 1979, 1987, 1993, 1997, 1999, ______.

#138. 5, 10, 13, 26, 29, 58, 61, _______.

#139. 11, 13, 17, 19, 23, 29, 31, 37, 41, _____.

#140. 3, 7, 6, 5, 9, 3, 12, 1, 15, ______.

#141. 11, 24, 67, 122, 219, _____.

#142. 64, 32, 35, 5, 22, 11, 14, _____.

#143. 0, 6, 24, 60, 120, ______.

Character is who you are when no one is looking.

## #224 2009-01-09 02:49:09

JaneFairfax
Legendary Member

Offline

### Re: Brain Teasers

Q: Who wrote the novels Mrs Dalloway and To the Lighthouse?

careless25
Real Member

Offline