Maths Practice Question and Answer

Q:

 A principal of Rs. 6120 becomes Rs. 8330 in 2 years when compounded annually at some rate of interest. How much will be the amount if the same principal was compounded half-yearly?

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  • 1
    Rs. 8430
    Correct
    Wrong
  • 2
    Rs. 8500
    Correct
    Wrong
  • 3
    Rs. 8300
    Correct
    Wrong
  • 4
    Rs. 8750
    Correct
    Wrong
  • 5
    None of these
    Correct
    Wrong
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Answer : 1. "Rs. 8430"

Q:

What is the equation of line whose slope is -1/2 and passes through the intersection of the lines x-y = -1 and 3x-2y = 0?

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  • 1
    x + 2y = -8
    Correct
    Wrong
  • 2
    3x + y = -7
    Correct
    Wrong
  • 3
    x + 2y = 8
    Correct
    Wrong
  • 4
    3x + y = 7
    Correct
    Wrong
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Answer : 3. "x + 2y = 8 "

Q:

The term ‘cabinet' is mentioned in which of the following article of the constitution? 

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  • 1
    Article - 74
    Correct
    Wrong
  • 2
    Article - 75
    Correct
    Wrong
  • 3
    Article - 352
    Correct
    Wrong
  • 4
    Not mentioned
    Correct
    Wrong
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Answer : 3. "Article - 352 "
Explanation :

The word 'Cabinet' is mentioned only once in the Indian Constitution in Article 352(3) which states that "the President shall not issue a proclamation unless the Union Cabinet communicates him in writing that such a proclamation may be issued".

Q:

A cloth merchant sold half of his cloth at a 40% profit. half of remaining at 40% loss and the rest was sold at the cost price. In the total transaction, his gain or loss will be

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  • 1
    10% gain
    Correct
    Wrong
  • 2
    15% loss
    Correct
    Wrong
  • 3
    20% gain
    Correct
    Wrong
  • 4
    25 % loss
    Correct
    Wrong
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Answer : 1. "10% gain "

Q: 18% of which number is equal to 12% of 75 ? 2594 0

  • 1
    50
    Correct
    Wrong
  • 2
    100
    Correct
    Wrong
  • 3
    2
    Correct
    Wrong
  • 4
    $${3\over 2} $$
    Correct
    Wrong
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Answer : 1. "50"
Explanation :

Q:

A reduction of 20 % in the price of salt enabled a purchaser to obtain 4 kg. more for Rs. 100. The reduced price of salt per kg is :

2594 0

  • 1
    Rs. 4
    Correct
    Wrong
  • 2
    Rs. 5
    Correct
    Wrong
  • 3
    Rs. 6.25
    Correct
    Wrong
  • 4
    Rs. 6.50
    Correct
    Wrong
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Answer : 2. "Rs. 5 "

Q:

If the price of petrol be raised by 20%, then the percentage by which a car owner must Reduce his consumption so as not to increase his expenditure on petrol is 

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  • 1
    $$ 16 {2\over3}$$
    Correct
    Wrong
  • 2
    $$ 16 {1\over4}$$
    Correct
    Wrong
  • 3
    $$ 15 {2\over3}$$
    Correct
    Wrong
  • 4
    $$ 15 {1\over4}$$
    Correct
    Wrong
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Answer : 1. "$$ 16 {2\over3}$$"

Q:

Mohan gets 3 marks for each correct sum and loses 2 marks for each wrong sum. He attempts 30 sums and obtains 40 marks. The number of sums solved correctly is:

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  • 1
    15
    Correct
    Wrong
  • 2
    20
    Correct
    Wrong
  • 3
    25
    Correct
    Wrong
  • 4
    10
    Correct
    Wrong
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Answer : 2. "20"

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