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Bank PO Questions

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Q:

Lichens are the best indicator of

A) Air pollution B) Sound pollution
C) Noise pollution D) Water pollution
 
Answer & Explanation Answer: A) Air pollution

Explanation:

1. Lichens are plants that grow in exposed places such as rocks or tree bark.

 

2.  Lichens are widely used as environmental indicators or bio-indicators. They can be used as air pollution indicators, especially of the concentration of sulfur-di-oxide in the atmosphere.  

 

3. They need to be very good at absorbing water and nutrients to grow there.

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Filed Under: General Science
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30 11714
Q:

What are the followers of buddhism called?

A) Buddhists B) Parsis
C) Noble Truths D) Bhikkhus
 
Answer & Explanation Answer: A) Buddhists

Explanation:

Buddhism is the world's fourth-largest religion, with over 520 million followers or over 7% of the global population. People who practice Buddhism are called Buddhists.

 

Buddhists seek to reach a state of nirvana, following the path of the Buddha, Siddhartha Gautama, who went on a quest for Enlightenment around the sixth century BC.

There is no belief in a personal god.

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Filed Under: General Awareness
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19 11700
Q:

Oldest Oil Field in India

A) Mumbai High, Maharashtra B) Anleshwar, Gujarat
C) Digboi, Assam D) None
 
Answer & Explanation Answer: C) Digboi, Assam

Explanation:

Digboi has the distinction of being India's oldest continuously producing oilfield. Digboi refinery, now a division of Indian Oil Corporation, had a capacity of about 0.65 MMTPA as of 2003. Digboi is now Headquarter of Assam Oil Division of Indian Oil Corporation Limited, though the crude production is not high today.

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Filed Under: Indian Geography
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27 11693
Q:

A trader mixes 36 kg of rice at Rs. 20 per kg with 14 kg of rice of other variety at Rs. 36 per kg and sells the mixture at Rs. 30 per kg. His profit percent is:

A) 25% B) 21.14%
C) 22.54% D) 27.32%
 
Answer & Explanation Answer: C) 22.54%

Explanation:

C.P. of 50 kg rice = Rs. (36 x 20 + 14 x 36) = Rs. (720 + 504) = Rs.1224.  

S.P. of 56 kg rice = Rs. (50 x 30) = Rs.1500.

Profit = 1500 - 1224 = Rs.276 

 

Profit % = ProfitC.P×100  = 2761224×100 = 22.54%.

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Filed Under: Profit and Loss
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8 11684
Q:

Why ABC computer is called so ?

A) Because it was thought to be the first computer so named with first alphabets of English B) Because it was developed by Atanasoff and Berry
C) Both of above are the reason to name the computer ABC D) None of the above
 
Answer & Explanation Answer: A) Because it was thought to be the first computer so named with first alphabets of English

Explanation:
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Filed Under: Computer
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11 11676
Q:

A thief steals half the total number of loaves of bread plus 1/2 loaf from a bakery. A second thief steals half the remaining number of loaves plus 1/2 loaf and so on. After the 5th thief has stolen there are no more loaves left in the bakery. What was the total number of loaves did the bakery have at the beginning ?

A) 21 B) 11
C) 17 D) 31
 
Answer & Explanation Answer: D) 31

Explanation:

Let y be the total number of loaves
a be the remaining loaves after 1st thief
b be the remaining loaves after 2nd thief
and c, d..so on after 3 and 4 th
e = 0 be the remaining loaves after 5th thief

a = y - (y/2 + 1/2)
= y/2 - 1/2

b = a - (a/2 + 1/2)
= a/2 - 1/2

c = b - (b/2 + 1/2)
= b/2 - 1/2

d = c - (c/2 + 1/2)
= c/2 - 1/2

e = d - (d/2 + 1/2)
= d/2 - 1/2
we know that, e = 0,
thus by substitution, we get
d = 1
c = 3
b = 7
a = 15
y = 31
Therefore total number of bread loaves in bakery was 31.

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Filed Under: Numbers
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9 11672
Q:

In a G - 20 meeting there were total 20 people representing their own country. All the representative sat around a circular table. Find the number of ways in which we can arrange them around a circular table so that there is exactly one person between two representatives namely Manmohan and Musharraf.

A) 2 x (17!) B) 2 x (18!)
C) (3!) x (18!) D) (17!)
 
Answer & Explanation Answer: B) 2 x (18!)

Explanation:

A person can be chosen out of 18 people in 18 ways to be seated between Musharraf and Manmohan. Now consider Musharraf, Manmohan, and the third person, sitting between them, as a single personality, we can arrange them in 17! ways but Musharraf and Manmohan can also be arranged in 2 ways. 

 

Required number of permutations = 18 x (17!) x 2 = 2 x 18!

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Filed Under: Permutations and Combinations
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2 11665
Q:

The term stagflation refers to a situation where ?

A) Growth has no relation with the change in prices B) Rate of growth is faster than the rate of price increase
C) Rate of growth is slower than the rate of price increase D) Rate of growth and prices both are decreasing
 
Answer & Explanation Answer: C) Rate of growth is slower than the rate of price increase

Explanation:

Stagflation is a blend of stagnation (in economic growth) and inflation (rise in prices).

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Filed Under: Indian Economy
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17 11661