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Q:

A bag has Rs.51.25 in the form of 2-rupee, 50-paise and 25-paise coins in the ratio of 3:5:7. What is the total number of 50-paise coins?

A) 15 B) 35
C) 25 D) 5
 
Answer & Explanation Answer: C) 25

Explanation:
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Filed Under: Ratios and Proportions
Exam Prep: Bank Exams

1 1849
Q:

What reacts with oxygen to produce rust?

A) Aluminium B) Silver
C) Copper D) Iron
 
Answer & Explanation Answer: D) Iron

Explanation:

Iron reacts with oxygen in the presence of moisture or water to form a red oxide called rust and the reaction involved is called as Redox reaction.

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Filed Under: General Science
Exam Prep: AIEEE , Bank Exams , CAT , GATE
Job Role: Analyst , Bank Clerk , Bank PO

2 1849
Q:

The galapagos finches are an excellent example of

A) Speciation B) Isolation
C) Mating D) None of the above
 
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Filed Under: Animals and Birds
Exam Prep: AIEEE , Bank Exams
Job Role: Analyst , Bank Clerk , Bank PO

3 1849
Q:

Which of the following statements about taxes is false?

A) Some states don’t collect income tax B) Taxes at the local, state and federal level are all equal
C) Taxes are collected at the local, state and federal level D) Some states don’t collect sales tax
 
Answer & Explanation Answer: A) Some states don’t collect income tax

Explanation:
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Filed Under: Indian Economy
Exam Prep: AIEEE , Bank Exams , CAT
Job Role: Analyst , Bank Clerk , Bank PO

4 1849
Q:

The number of electron levels in a magnesium atom is

A) 3 B) 2
C) 1 D) 0
 
Answer & Explanation Answer: A) 3

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Filed Under: Chemistry
Exam Prep: AIEEE , Bank Exams , CAT , GATE
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0 1849
Q:

An object having the capability to do work is said to possess

A) Inertia B) Force
C) Pressure D) Energy
 
Answer & Explanation Answer: D) Energy

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Filed Under: Physics
Exam Prep: Bank Exams

0 1848
Q:

An electric iron of 750 W is used for S hours per day. Then the energy consumed in one day by the iron is:

A) 6 units B) 600 units
C) 0.6 units D) 60 units
 
Answer & Explanation Answer: A) 6 units

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Filed Under: Physics
Exam Prep: CAT , Bank Exams , AIEEE

1 1848
Q:

Which is an example of an endothermic reaction?

A) combustion B) mix of CaO with water
C) coal is burnt D) photosynthesis
 
Answer & Explanation Answer: D) photosynthesis

Explanation:

A chemical reaction in which involves the absorption of heat from the environment is called a Endothermic reaction. 

Examples : Dissolving ammonium chloride in water, photosynthesis, melting ice cubes, mixing of potassium chloride with water,...

 

In the contrast, chemical reactions involving release of heat are known as exothermic reactions.

Examples : Combustion, coal is burnt, mix of CaO with water,...

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

2 1848