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Q:

Puzzle : Bridge Crossing

Jim, Jeanne, Louis and Anne wants to cross the bridge at night. They have only one torch light with them. Only two can cross the bridge at a time. They need torch light to cross the bridge. Each of them walks at a different speed. Jim needs 1 minute, Jeanne needs 2 minutes, Louis needs 5 minutes and Anne needs 10 minutes. A pair must walk together at the rate of the slower person. How these people can cross the bridge within 17 minutes?

Answer

First Jim and Jeanne walks across the bridge, it takes 2 minutes.

Jim walks back with the torch light, which takes 1 minute.

Then Louis and Anne walk on the bridge, which takes 10 minutes.

Jeanne comes back with the torch light, it takes 2 minutes.

Finally Jim and Jeanne walks across the bridge, which takes 2 minutes.

Total = 2 + 1 + 10 + 2 + 2 = 17 minutes

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Subject: Math Puzzles

Q:

A watch which gains uniformly is 2 minutes low at noon on Monday and is 4 min. 48 sec fast at 2 p.m. on the following Monday. When was it correct?

A) 2 p.m. on Tuesday	B) 2 p.m. on Wednesday
C) 3 p.m. on Thursday	D) 1 p.m. on Friday

Answer & Explanation Answer: B) 2 p.m. on Wednesday

Explanation:

Time from 12 p.m. on Monday to 2 p.m. on the following Monday = 7 days 2 hours = 170 hours.

The Watch gains $(2 + 4 \frac{4}{5})$ min. or $\frac{34}{5}$ min.in 170 hrs.

Now, $\frac{34}{5}$ min.are gained in 170 hrs.

2 min.are gained in $(170 * \frac{5}{34} * 2)$ hrs=50 hrs

Watch is correct 2 days 2 hrs. after 12 p.m. on Monday i.e., it will be correct at 2 p.m. on Wednesday

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Filed Under: Clock puzzles

Q:

How many minutes is it until six o’clock if fifty minutes ago it was four times as many minutes past three o’clock?

Answer Twenty-six minutes.

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Subject: Clock puzzles

Q:

The first communist manifesto was issued in

Answer

1848 AD

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Subject: World History

Q:

Film and TV institute of india is located at

A) Pune (Maharashtra)	B) Rajkot (Gujarat)
C) Pimpri (Maharashtra)	D) Perambur (Tamilnadu)

Answer & Explanation Answer: A) Pune (Maharashtra)

Explanation:

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Filed Under: General Awareness

Q:

The admission ticket for an exhibition bears a password which is changed after every clock hour based on set of words chosen for each day. The following is an illustration of the code and steps of rearrangement for subsequent clock hours. The time is 9 a.m. to 3 p.m.

Day's first password :

First Batch ----- 9 a.m. to 10 a.m.

is not ready cloth simple harmony burning

Second Batch ----- 10 a.m. to 11 a.m.

ready not is cloth burning harmony simple

Third Batch ----- 11 a.m. to 12 noon

cloth is not ready simple harmony burning

Fourth Batch ----- 12 noon to 1 p.m.

not is cloth ready burning harmony simple

Fifth Batch ----- 1 p.m. to 2 p.m.

ready cloth is not simple harmony burning and so on.

If the password for 11 a.m. to 12 noon was --- "soap shy miss pen yet the she", what was the password for the first batch ?

A) pen miss shy soap she the yet	B) shy miss pen soap yet the she
C) soap pen miss shy she the yet	D) miss shy soap pen she the yet

Answer & Explanation Answer: B) shy miss pen soap yet the she

Explanation:

Clearly, the given arrangement is as under :
In the first step, the first three and the last three letters are written in a reverse order.
Then, the first four and the last three letters are written in a reverse order.

The process is repeated to obtain successive output steps.

Third batch : soap shy miss pen yet the she

Second batch : pen miss shy soap she the yet

First batch : shy miss pen soap yet the she

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Filed Under: Sequential Output Tracing

Q:

If × stands for 'addition', ÷ stands for 'subtraction', + stands for 'multiplication' and-stands for 'division', then 20 × 8 ÷ 8 - 4 + 2 = ?

A) 80	B) 25
C) 24	D) 5

Answer & Explanation Answer: C) 24

Explanation:

By the Given data , We have the expression:

20 + 8 - 8 ÷ 4 × 2 = 20 + 8 - 2 × 2 = 20 + 8 - 4 = 24.

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Filed Under: Mathematical Operations

Q:

If × means ÷, - means ×, ÷ means + and + means- than (3 - 15 ÷ 19) × 8 + 6 = ?

A) 8	B) 4
C) 2	D) -1

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