30000+ Important MCQs for POLICE SI

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Learn POLICE SI MCQs with answers [Page 13 of Department 39]

A

Admin • 37.39K Points
Coach Reasoning

121) Complete the series:
125, 80, 45, 20, ?

  • (A) 8
  • (B) 5
  • (C) 12
  • (D) 10
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Correct Answer - Option (B)

Explanation :

125-45 = 80
80-35 = 45
45-25 = 20
25-15 = 5
Hence the correct answer is 5.

A

Admin • 37.39K Points
Coach Reasoning

122) Which one set of letters when sequentially placed at the gaps in the given letters series shall complete .
-tu-rt-s-us rtu-

  • (A) rsutrr
  • (B) rsurtr
  • (C) rsurts
  • (D) rtusru
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Correct Answer - Option (C)

No Explanation found. Add Explanation and get +2 points.

P

Priyanka Tomar • 35.28K Points
Coach History

124) Which of the following is chronologically arranged?

  • (A) Dipavamsa, Mahavamsa, Milinda Panha, Chulavamsa
  • (B) Milinda Panha, Dipavamsa, Mahav amsa, Chulavamsa
  • (C) Milinda Panha, Mahavamsa, Dipava masa, Chulavamsa
  • (D) Dipavamsa, Mahavamsa, Chulavamsa, Milinda Panha
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Correct Answer - Option (B)

No Explanation found. Add Explanation and get +2 points.

P

Priyanka Tomar • 35.28K Points
Coach History

125) Parshvanatha, the Jain ‘Thirthankara’ was associated mainly with which of the following places?

  • (A) Giribraja
  • (B) Varanasi
  • (C) Kaushambi
  • (D) Champa
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Correct Answer - Option (B)

No Explanation found. Add Explanation and get +2 points.

P

Priyanka Tomar • 35.28K Points
Coach History

126) Mahavir was born at

  • (A) Lumbini
  • (B) Kapilvastu
  • (C) Champa
  • (D) Kundgram
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Correct Answer - Option (D)

Explanation :

Lord Mahavira was the twenty-fourth and last Tirthankara of Jain religion. He was born in Kundagrama, i.e. Basukund of today in 599 BC.

S

Sandeep • 6.47K Points
Tutor III Math

127) If A's salary is 25% more than B's salary, then B's salary is how much lower than A's salary?

  • (A) 100/3%
  • (B) 25%
  • (C) 20%
  • (D) 50/3 %
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Correct Answer - Option (C)

Explanation :

Let B's Salary is Rs. 100. Then,
A's Salary = (100 + 25% of 100) = Rs. 125
Difference between A's Salary and B's Salary = 125 - 100 = Rs. 25
% Difference (lower) = 25/125×100=20%


Mind Calculation Method:
100(B salary) === 25%↑ ===> 125(A salary) === 20%↓ ===> 100 (B salary)
B's salary is 20% lower than A's

S

Sandeep • 6.47K Points
Tutor III Math

128) Population of a town increase 2.5% annually but is decreased by 0.5% every year due to migration. What will be the percentage increase in 2 years?

  • (A) 5%
  • (B) 4.04%
  • (C) 4%
  • (D) 3.96%
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Correct Answer - Option (B)

Explanation :

Net percentage increase in Population = (2.5 - 0.5) = 2% each year.
Let the Original Population of the town be 100.
Population of Town after 1 year = (100 + 2% of 100) = 102.
Population of the town after 2nd year = (102 + 2% of 102 ) = 104.04
Now, % increase in population = 4.04/100×100=4.04%


Mind Calculation Method:
100 == 2% Up(1st year) ==> 102 == 2%Up(2nd year) ==> 104.04
% population increase in 2 years = 4.04%.

S

Sandeep • 6.47K Points
Tutor III Math

129) In an election between two candidates, the winner got 65% of the total votes cast and won the election by a majority of 2748 votes. What is the total number of votes cast if no vote is declared invalid?

  • (A) 8580
  • (B) 8720
  • (C) 9000
  • (D) 9160
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Correct Answer - Option (D)

Explanation :

Winner gets 65% of valid votes and loser gets 35% of votes
Difference between this two = 2748
(65-35)% = 2748
30% = 2748
Total number of voters, 100%
= (2748×100)/30

= 9160

S

Sandeep • 6.47K Points
Tutor III Math

130) Narayan spends 30% of his income on education and 50% of the remaining on food. He gives Rs. 1000 as monthly rent and now has Rs. 1800 left with him. What is his monthly income?

  • (A) Rs. 8000
  • (B) Rs. 7000
  • (C) Rs. 9000
  • (D) Rs. 6000
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Correct Answer - Option (A)

Explanation :

Narayan's saving and rent = 1000 + 1800 = Rs. 2800
Let his monthly income be Rs. 100
30% of his income he spent on education i.e. Rs. 30
Remaining = 100 - 30 = 70
50% of remaining on food = (70×50)100=Rs. 35

Now, that 35 must be equal to his saving and rent i.e.
35 = 2800 then,
1 = 2800/35

100 = (2800×100)/35=Rs. 8000

So, his income = Rs. 8000

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