Practice Question and Answer

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Answer : 1. "Only I is implicit."

Q:

x = y = 333 and z = 334, then value of x3 + y3 + z3 – 3xyz is 

1811 0

  • 1
    0
    Correct
    Wrong
  • 2
    667
    Correct
    Wrong
  • 3
    1000
    Correct
    Wrong
  • 4
    2334
    Correct
    Wrong
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Answer : 3. "1000"

Q:

In the following question, one or two statements are given, followed by two conclusions. You have to consider that the statement is true even if it seems to be different from commonly known facts. You have to decide which of the given statements can definitely lead to correct conclusions.

Statements :
I. All cows are animals.
II. All deer are cows.
Conclusion:
I.All deer are animals.
II. All animals are cows

1549 0

  • 1
    Only conclusion I applies.
    Correct
    Wrong
  • 2
    Only conclusion II applies.
    Correct
    Wrong
  • 3
    Conclusions I and II both apply.
    Correct
    Wrong
  • 4
    Conclusions I and II none of them apply.
    Correct
    Wrong
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Answer : 1. "Only conclusion I applies."

Q:

If a + b + c = 0, then a3+b3+c3 is equal to 

2653 0

  • 1
    a + b + c
    Correct
    Wrong
  • 2
    abc
    Correct
    Wrong
  • 3
    2abc
    Correct
    Wrong
  • 4
    3abc
    Correct
    Wrong
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Answer : 4. "3abc"

Q:

If 2sin2 θ – 3 sin θ + 1 = 0,   θ being positive angle, then the values of θ are : 

1718 0

  • 1
    $$ 30^0, 90^0$$
    Correct
    Wrong
  • 2
    $$ 60^0, 55^0$$
    Correct
    Wrong
  • 3
    $$ 60^0, 45^0$$
    Correct
    Wrong
  • 4
    $$ 45^0, 55^0$$
    Correct
    Wrong
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Answer : 1. "$$ 30^0, 90^0$$"

Q:

The value of sec4 A (1 – sin4A) – 2tan2A is: 

1504 0

  • 1
    $$ {1\over 2} $$
    Correct
    Wrong
  • 2
    0
    Correct
    Wrong
  • 3
    2
    Correct
    Wrong
  • 4
    1
    Correct
    Wrong
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Answer : 4. "1"

Q:

A man buys a table and a chair for 500. He sells the table at a loss of 10 % and the chair at a gain of 10 %. He still gain ₹10 on the whole. The cost price of chair in rupees is 

2145 0

  • 1
    ₹ 200
    Correct
    Wrong
  • 2
    ₹ 250
    Correct
    Wrong
  • 3
    ₹ 300
    Correct
    Wrong
  • 4
    ₹ 350
    Correct
    Wrong
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Answer : 3. "₹ 300"

Q:

Arun buys one kilogram of apples for Rs . 120 and sells it to Swati gaining 25 %. Swati sells it to Divya and Divya again sells it for Rs. 198, making a profit of 10 %. What is the profit percentage made by Swati? 

2816 0

  • 1
    25 %
    Correct
    Wrong
  • 2
    20 %
    Correct
    Wrong
  • 3
    16.67 %
    Correct
    Wrong
  • 4
    15 %
    Correct
    Wrong
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Answer : 2. "20 % "

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