Maths Practice Question and Answer

Q:

The perimeter of a square with diagonal 29√2 cm is equal to the perimeter of a rectangle. Find the area of the rectangle if the length of the rectangle is 8 cm more than the breadth of the rectangle?

1151 0

  • 1
    820
    Correct
    Wrong
  • 2
    825
    Correct
    Wrong
  • 3
    625
    Correct
    Wrong
  • 4
    725
    Correct
    Wrong
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Answer : 2. "825"

Q:

√60+√10+√36=?

1150 0

  • 1
    56
    Correct
    Wrong
  • 2
    88
    Correct
    Wrong
  • 3
    45
    Correct
    Wrong
  • 4
    None
    Correct
    Wrong
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Answer : 4. "None "

Q:

The acid and water in two vessels A and B are in the ratio 4:3 and 2:3. In what ratio should the liquid in both the vessels be mixed to obtain a new mixture in vessel C containing half acid and half water?

1150 0

  • 1
    7:5
    Correct
    Wrong
  • 2
    7:3
    Correct
    Wrong
  • 3
    5:7
    Correct
    Wrong
  • 4
    5:3
    Correct
    Wrong
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Answer : 1. "7:5 "

Q:

The radii of the ends of a frustum of a cone 7 cm high are 5 cm and 3 cm. Find its volume correct to one decimal place. (Use π=22/7)

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  • 1
    345.6 cm3
    Correct
    Wrong
  • 2
    359.3 cm3
    Correct
    Wrong
  • 3
    379.3 cm3
    Correct
    Wrong
  • 4
    369.3 cm3
    Correct
    Wrong
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Answer : 2. "359.3 cm3"

Q:

If sin2θ - 3sinθ + 2=0, the find the value of θ(00≤ θ≤900)

1149 0

  • 1

    450

    Correct
    Wrong
  • 2

    00

    Correct
    Wrong
  • 3

    600

    Correct
    Wrong
  • 4

    900

    Correct
    Wrong
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Answer : 4. "

900

"

Q:

Area of the floor of a cubical room is 64 m2. The length of the longest rod that can be kept in the room is:

1149 0

  • 1
    $$16 \sqrt { 2} $$
    Correct
    Wrong
  • 2
    $$4 \sqrt { 3} $$
    Correct
    Wrong
  • 3
    $$12 \sqrt { 3} $$
    Correct
    Wrong
  • 4
    $$8 \sqrt { 3} $$
    Correct
    Wrong
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Answer : 4. " $$8 \sqrt { 3} $$"

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Answer : 2. "21,000"

Q:

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

1148 0

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

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