Maths Practice Question and Answer

Q:

When the tax on an article is increased by 20%, its consumption is decreased by 20%. In total tax receipt on this item-

845 0

  • 1
    4% increase
    Correct
    Wrong
  • 2
    4% reduction
    Correct
    Wrong
  • 3
    5% increase
    Correct
    Wrong
  • 4
    There was no difference.
    Correct
    Wrong
  • Show AnswerHide Answer
  • Workspace

Answer : 2. "4% reduction"

Q:

If ABC is an equilateral triangle and P, Q, R respectively denote the middle points of AB, BC, CA then.

845 0

  • 1
    PQR must be an equilateral triangle
    Correct
    Wrong
  • 2
    PQ + QR + PR = AB
    Correct
    Wrong
  • 3
    PQ + QR + PR = 2 AB
    Correct
    Wrong
  • 4
    PQR must be a right angled triangle
    Correct
    Wrong
  • Show AnswerHide Answer
  • Workspace

Answer : 1. "PQR must be an equilateral triangle "

Q:

Out of the given responses, one of the factors of (a2 – b2 )3 + (b2 – c2) 3 + (c2 – a2) 3 is

845 0

  • 1
    (a + b) (a – b)
    Correct
    Wrong
  • 2
    (a + b) (a + b)
    Correct
    Wrong
  • 3
    (a – b) (a – b)
    Correct
    Wrong
  • 4
    (b – c) (b – c)
    Correct
    Wrong
  • Show AnswerHide Answer
  • Workspace

Answer : 1. "(a + b) (a – b) "

Q:

The Government reduced the price of sugar by 10 per cent. By this a consumer can buy 6.2 kg more sugar for ₹ 837. The reduced price per kg of sugar is:

844 0

  • 1
    ₹12.50
    Correct
    Wrong
  • 2
    ₹ 13.00
    Correct
    Wrong
  • 3
    ₹ 13.50
    Correct
    Wrong
  • 4
    ₹14.00
    Correct
    Wrong
  • Show AnswerHide Answer
  • Workspace

Answer : 3. "₹ 13.50"

Q:

ABC is a triangle in which DE || BC and AD: DB = 5: 4. Then DE: BC is

844 0

  • 1
    4:5
    Correct
    Wrong
  • 2
    9:5
    Correct
    Wrong
  • 3
    4:9
    Correct
    Wrong
  • 4
    5:9
    Correct
    Wrong
  • Show AnswerHide Answer
  • Workspace

Answer : 4. "5:9"

Q:

From a point within an equilateral triangle, perpendiculars drawn to the three sides, are 6 cm, 7 cm and 8 cm respectively. the length of the side of the triangle is:

844 0

  • 1
    7 cm
    Correct
    Wrong
  • 2
    10.5 cm
    Correct
    Wrong
  • 3
    $${14 \sqrt { 3}} $$ cm
    Correct
    Wrong
  • 4
    $${14 \sqrt { 3}}\over 3 $$ cm
    Correct
    Wrong
  • Show AnswerHide Answer
  • Workspace

Answer : 1. "7 cm "

Q:

Direction: In the given question, two equations numbered l and II are given. Solve both the equations and mark the appropriate answer.

I. 9x² – 3x – 2 = 0
II. y² – 8y + 16 = 0

843 0

  • 1
    x > y
    Correct
    Wrong
  • 2
    x < y
    Correct
    Wrong
  • 3
    x ≤ y
    Correct
    Wrong
  • 4
    x ≥ y
    Correct
    Wrong
  • 5
    x = y or the relationship between x and y cannot be established.
    Correct
    Wrong
  • Show AnswerHide Answer
  • Workspace

Answer : 2. "x < y"

Q:

If a store room of a house is in the shape of a cuboid having a length of 3 m, a width of 2 m, and a height of 4m, find the total area of its four walls.

843 0

  • 1
    $${{50cm^2}}$$
    Correct
    Wrong
  • 2
    $${{20cm^2}}$$
    Correct
    Wrong
  • 3
    $${{40cm^2}}$$
    Correct
    Wrong
  • 4
    $${{24cm^2}}$$
    Correct
    Wrong
  • Show AnswerHide Answer
  • Workspace

Answer : 3. "$${{40cm^2}}$$"

      Report Error

    Please Enter Message
    Error Reported Successfully

      Report Error

    Please Enter Message
    Error Reported Successfully

      Report Error

    Please Enter Message
    Error Reported Successfully

      Report Error

    Please Enter Message
    Error Reported Successfully

      Report Error

    Please Enter Message
    Error Reported Successfully

      Report Error

    Please Enter Message
    Error Reported Successfully

      Report Error

    Please Enter Message
    Error Reported Successfully

      Report Error

    Please Enter Message
    Error Reported Successfully