Maths Practice Question and Answer

Q:

Direction: In the following questions two equations numbered I and II are given. You have to solve both the equations and give answer.
(A) x>y
(B) x≥y
(C) x˂y
(D) x≤y
(E) x=y or the relations ship cannot be established

I. $$ {9x^2+5=18x}$$
II. $${2y^2-9y+10=0}$$

1284 0

  • 1
    A
    Correct
    Wrong
  • 2
    B
    Correct
    Wrong
  • 3
    C
    Correct
    Wrong
  • 4
    D
    Correct
    Wrong
  • 5
    E
    Correct
    Wrong
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Answer : 3. "C"

Q:

The curved surface area of a cylindrical pillar is 264 m2 and its volume is 924 m3. Find the ratio of its diameter to its height.

1284 0

  • 1
    3 : 7
    Correct
    Wrong
  • 2
    7 : 3
    Correct
    Wrong
  • 3
    6 : 7
    Correct
    Wrong
  • 4
    7 : 6
    Correct
    Wrong
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Answer : 2. "7 : 3"

Q:

If $${cos^2θ\over cot^2θ-cos^2θ}=3,$$ where $${0^0<θ<90^0}$$ then the value of θ is:

1284 0

  • 1
    $${{45^0}}$$
    Correct
    Wrong
  • 2
    $${{50^0}}$$
    Correct
    Wrong
  • 3
    $${{60^0}}$$
    Correct
    Wrong
  • 4
    $${{50^0}}$$
    Correct
    Wrong
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Answer : 3. "$${{60^0}}$$"

Q:

R, S and T started a business by investing Rs. 25000, Rs. 15000 and Rs.30000 respectively. If the total profit earned is Rs. 58800 and it is decided that one-third of the profit will be divided into their investment ratio and rest of the amount will be invested in another work, then what is the share of T?

1284 0

  • 1
    4200
    Correct
    Wrong
  • 2
    8000
    Correct
    Wrong
  • 3
    7400
    Correct
    Wrong
  • 4
    8400
    Correct
    Wrong
  • 5
    None of these
    Correct
    Wrong
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Answer : 4. "8400"

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Answer : 3. "₹1,272"

Q:

A man bought 13 articles at Rs. 70 each, 15 at Rs. 60 each and 12 at Rs. 65 each. The average price per article is 

1283 0

  • 1
    Rs. 65.75
    Correct
    Wrong
  • 2
    Rs. 62.25
    Correct
    Wrong
  • 3
    Rs. 60.25
    Correct
    Wrong
  • 4
    Rs. 64.75
    Correct
    Wrong
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Answer : 4. "Rs. 64.75 "

Q:

If the volumes of two cubes are in the ratio 27 : 64 and then the ratio of their total surface area is 

1283 0

  • 1
    27 : 64
    Correct
    Wrong
  • 2
    3 : 4
    Correct
    Wrong
  • 3
    9 : 16
    Correct
    Wrong
  • 4
    3 : 8
    Correct
    Wrong
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Answer : 3. "9 : 16 "

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