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Q:

Logical puzzle

Dr.Will wants to operate for three different persons who were wounded. But he had only two surgical gloves. There is not any blood contact between the three persons. How can Dr.Will operate for the three people with two pair of surgical gloves?

Answer

First, Dr.Will wear both of the gloves, one above the other. He operate the first person. After finishing he remove the outer pair of gloves as inside out and place it in a tray. Then operate the second person. Now he will wear the first gloves as inside out above the second gloves. Operate the third person. At last he remove the gloves and dispose them.

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Subject: Logic Puzzles

Q:

Answer the Following Puzzle.

Number Puzzles Questions and Answers

A) 90 B) 56
C) 34 D) 104
 
Answer & Explanation Answer: A) 90

Explanation:

As you move down, the numbers represent multiples of 12,subtracting 1 for the first step,adding 2 for the second, subtracting 3 for the third, adding 4 for the next ect.ect

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Filed Under: Number Puzzles

Q:

Answer the Following Puzzle.

Number_Puzzles_Typical_Aptitude_Questions_and_Answers1585548407.png image

A) 1111 B) 4311
C) 1143 D) 4343
 
Answer & Explanation Answer: C) 1143

Explanation:

Starting with the top 3 digit number, the first digit increases by 2 as you descend,from 1 to 11. The middle digit decreases by 1 each time,and the right hand digit alternates between 5 and 3

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Filed Under: Number Puzzles
Exam Prep: CAT , Bank Exams

Q:

Answer the Following Puzzle.

Number Puzzles Questions and Answers

A) 5 B) 7
C) 9 D) 2
 
Answer & Explanation Answer: D) 2

Explanation:

Starting with the 10 at the top, one set of numbers increases by 3 each time, written in alternate boxes as you move down the diagram, and the other set of numbers decreases by 2,written in the boxes remaining

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Filed Under: Number Puzzles

Q:

Riddle

How can you add eight 8's to get the number 1,000? (only use addition)

Answer

The key to this math riddle is realizing that the one place must be zero.
888 +88 +8 +8 +8 =1,000

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Subject: Math Puzzles

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:

At 3.40, the hour hand and the minute hand of a clock form an angle of:

A) 120 degrees B) 125 degrees
C) 130 degrees D) 135 degrees
 
Answer & Explanation Answer: C) 130 degrees

Explanation:

Angle traced by hour hand in 12 hrs. = 360º.

 

Angle traced by it in  11/3 hrs=  36012*113°=110°

 

Angle traced by minute hand in 60 min. = 360º.

 

Angle traced by it in 40 min. =(360/60*40)°=240°

 

  Required angle (240 - 110)º = 130º.

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Filed Under: Clock puzzles

Q:

A clock is started at noon. By 10 minutes past 5, the hour hand has turned through:

A) 145 B) 150
C) 155 D) 160
 
Answer & Explanation Answer: C) 155

Explanation:

Angle traced by hour hand in 12 hrs = 360º.

 

Angle traced by hour hand in 5 hrs 10 min.  i.e., 31/6 hrs = 36012*316°= 155º

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Filed Under: Clock puzzles