Geometry

A ladder leans against a wall. The top of the ladder is 11 ft above the ground. If the bottom of the ladder is then moved 1 ft away from the wall, the ladder will lie on the ground with its top touching the wall. How long is the ladder (in ft)?

1. 12
2. 13
3. 60
4. 61

Read More

Two twins have certain peculiar characteristics. One of them always lies on Monday, Wednesday, and Friday. The other always lies on Tuesdays, Thursdays and Saturdays. On the other days they tell the truth. You are given a conversation.
Person A– today is Sunday, my name is Ram.
Person B — today is Thursday, my name is Shyam.  What day is today?

Read More

Geometry 

Three spherical balls are put inside a cone such that all balls touch the slant surface of the cone and also each ball is in contact with next ball. If radii of two larger balls are 18cm and 12cm, then find the radius of smallest ball.

Read More

Given the following facts:

D is younger than F and older than G.

J is younger than C and older than E.

A is younger than I and older than C.

F is younger than B and older than H.

I  is younger than G and older than J.

H is older than G.

Who is the Youngest?

Read More

Algebra

Sum of an infinite G.P. is 162 and sum of first n terms of the same G.P. is 160. How many rational values are possible for the common ratio?

1. 2            
2. 3
3. 5
4. Infinite

See our previous ‘Puzzles of the Day’: 

Quant Question Of The Day: 141 

Quant Question Of The Day: 140

Kritika went to Singapore with her husband. It rained for 13 days. But when it rained in the morning, the afternoon was lovely. And when it rained in the afternoon, the day was preceded by clear morning.

Altogether there were 11 very nice mornings and 12 very nice afternoons. How many days did their holiday last?

See our previous ‘Puzzles of the Day’:  

Puzzle of the Day : 64

Puzzle of the Day : 63

Probability 

If Ram shoots 16 arrows at a target the probability of hitting it at least once is 15/16.What is the probability of hitting the target at least once if he shoots 8 arrows?

1. 1/4
2. 1/2
3. 3/4
4. 13/16

Read More

Amla, Bamla, Camla, Damla and Emala are good friends. Only two of them are always honest. The other three persons are sometimes honest and sometimes not. When they were asked about who is a liar. Here are the answers from them:

1. Amla said: Bamla is not a lier.

2. Bamla said: Camla is a liar.

3. Camla said: Damla is a liar.

4. Damla said: Emala is a liar.

5. Emala said: Bamla is a liar.

6. Amla said: Emala is not a liar.

7. Emala said: Camla is a liar.

Find out which two persons are always honest?

Read More