Questions

Q:

Puzzle : Identical Balls

There are 8 identical balls. In that one of the ball is overweight. There are only two chances to weigh in the weighing machine. How to find the overweight ball?

Answer

First weigh 3 against 3 balls. If the ball contains among these six balls, then take the three balls which weighed over, and weigh the ball 1 against 1. If the balls are not equal and any one of the ball weighs more, that is the overweight ball, else the one among the three which is not weighed is the ball. If the 3 against 3 balls were equal, then weigh the 2 balls, then the overweight ball will be found.

Report Error

View answer Workspace Report Error Discuss

Subject: Math Puzzles

36 8565
Q:

The SQL keyword(s) ________ is used with wildcards.

A) LIKE only B) IN only
C) NOT IN only D) IN and NOT IN
 
Answer & Explanation Answer: A) LIKE only

Explanation:
Report Error

View Answer Report Error Discuss

2 8545
Q:

The largest river of Penisular India is

A) Narmada B) Godavari
C) Mahanadi D) Cauvery
 
Answer & Explanation Answer: B) Godavari

Explanation:
Report Error

View Answer Report Error Discuss

Filed Under: Indian Economy

5 8541
Q:

 What invention caused many deaths while testing it?

A) Dynamite B) Ladders
C) Race cars D) Parachute
 
Answer & Explanation Answer: D) Parachute

Explanation:
Report Error

View Answer Report Error Discuss

Filed Under: Inventions

10 8539
Q:

The more you take, the more you leave behind. What is that?

A) Pictures B) Hole
C) Clothes D) Footsteps
 
Answer & Explanation Answer: D) Footsteps

Explanation:

Yes, footsteps are what we take more, the more we leave behind. 

Report Error

View Answer Report Error Discuss

9 8535
Q:

Which metal pollute the air of a big city?

A) Chromium B) Lead
C) Copper D) Zinc
 
Answer & Explanation Answer: B) Lead

Explanation:
Report Error

View Answer Report Error Discuss

Filed Under: Chemistry
Exam Prep: AIEEE , Bank Exams , CAT
Job Role: Analyst , Bank Clerk , Bank PO

12 8535
Q:

Which of the following acts both as oxidising and reducing agent?

A) nitric acid B) ammonia
C) nitrous acid D) nitrogen peroxide
 
Answer & Explanation Answer: C) nitrous acid

Explanation:

Nitrous acid act as an oxidising agent because it oxidises potassium iodide to iodine. It is also a reducing agent because it decolourises acidified potassium permanganate solution.

Nitric acid acts only as an oxidising agent

Ammonia acts only as a reducing agent

Nitrogen peroxide acts only as an oxidising agent.

Report Error

View Answer Report Error Discuss

Filed Under: Chemistry

12 8527
Q:

The country which proposed the observance of the World Pulses Day?

 

A) Berlin B) Benin
C) Burkina Faso D) Nigeria
 
Answer & Explanation Answer: C) Burkina Faso

Explanation:

Burkina Faso proposed the observance of World Pulses Day on 10th February.

 

Report Error

View Answer Report Error Discuss

Filed Under: Important Days and Years
Exam Prep: Bank Exams

2 8519