Bank PO Questions


Q:

In a bag, there are 8 red, 7 blue and 6 green flowers. One of the flower is picked up randomly. What is the probability that it is neither red nor green ?

A) 13

B)821

C)621

D)2021

A) Option A B) Option B
C) Option C D) Option D
 
Answer & Explanation Answer: A) Option A

Explanation:

Total number of flowers = (8+7+6) = 21.

 

Let E = event that the flower drawn is neither red nor green. 

= event taht the flower drawn is blue. 

 

--> n(E)= 7 

--> P(E)=  721=13 

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Filed Under: Permutations and Combinations
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Q:

What do lines of latitude measure?

A) east-west position between the poles B) north-south position between the poles
C) north-east position between the poles D) south-west position between the poles
 
Answer & Explanation Answer: B) north-south position between the poles

Explanation:

Lines of latitude measure north-south position between the poles.

 

Lines of latitude are imaginary reference lines that describe how far north or south a location on the Earth is from the Equator. The equator is defined as 0 degrees, the North Pole is 90 degrees north, and the South Pole is 90 degrees south. Lines of latitude are all parallel to each other, thus they are often referred to as parallels.

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Filed Under: World Geography
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2 3481
Q:

21% of 500 + 31% of 1100 - 30% of 790 = ? 

A) 209 B) 290
C) 309 D) 390
 
Answer & Explanation Answer: A) 209

Explanation:

Given 21% of 500 + 31% of 1100 - 30% of 790 = ?

 

? = 21 x 5 + 31 x 11 - 3 x 79

? = 105 + 341 - 237

? = 446 - 237

? = 209.

 

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Filed Under: Percentage
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4 3480
Q:

Who among the following economists gave the concept of "economies of scale". Which says "many goods and  services can be produced more cheaply in long series"?

A) Edward C.Prescott B) Amartya Sen
C) Gray S.Becker D) Paul Krugman
 
Answer & Explanation Answer: D) Paul Krugman

Explanation:
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Filed Under: Verbal Reasoning - Mental Ability
Exam Prep: Bank Exams
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4 3479
Q:

Calculate the effective interest rate of a 10% annual rate compounded continuously.

A) 9.52% B) 10.52%
C) 11.52% D) 12.52%
 
Answer & Explanation Answer: B) 10.52%

Explanation:

E=e^i-1

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Filed Under: Compound Interest
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0 3478
Q:

Carbon in the ocean originates from the atmosphere.

A) TRUE B) FALSE
Answer & Explanation Answer: A) TRUE

Explanation:

True, the carbon in the ocean originates from the atmosphere. The oceanic surface water absorbs the carbon dioxide gas from the atmosphere and dissolves in it.

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Q:

Which results from an increase in the greenhouse effect?

A) Ocean acidification B) Smog pollution
C) Ozone depletion D) All the above
 
Answer & Explanation Answer: D) All the above

Explanation:

A greenhouse gas (GHG) is any gas in the atmosphere that absorbs and emits radiation in the thermal infrared range.

 

The increase in average global temperatures that results from an enhanced greenhouse effect.

Effects of increased greenhouse gas emissions:

Increases in the different greenhouse gases have other effects apart from global warming including ocean acidification, smog pollution, ozone depletion as well as changes to plant growth and nutrition levels.

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Filed Under: General Awareness
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Q:

The flow of thermal energy is called

A) Heat B) Current
C) Voltage D) Potential
 
Answer & Explanation Answer: A) Heat

Explanation:

The flow of thermal energy due to differences in their temperatures is called Heat.

The_flow_of_thermal_energy_is_called1558527324.png image

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Filed Under: Physics
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2 3475