Maths Practice Question and Answer

Q:

If x = 332, y = 333, z = 335, then the value of x3 + y3 + z3 – 3xyz is

897 0

  • 1
    10000
    Correct
    Wrong
  • 2
    7000
    Correct
    Wrong
  • 3
    8000
    Correct
    Wrong
  • 4
    9000
    Correct
    Wrong
  • Show AnswerHide Answer
  • Workspace

Answer : 2. "7000 "

Q:

In △ABC, D and E are points on sides AB and AC, such that DE||BC. If AD=x+3, DB=2x-3, AE=x+1 and EC=2x-2, then the value of x is

897 0

  • 1
    $$1\over 5$$
    Correct
    Wrong
  • 2
    $$4\over 5$$
    Correct
    Wrong
  • 3
    $$3\over 5$$
    Correct
    Wrong
  • 4
    $$1\over 2$$
    Correct
    Wrong
  • Show AnswerHide Answer
  • Workspace

Answer : 3. "$$3\over 5$$"

Q:

Find the exact value of cos 1200.

896 0

  • 1
    1
    Correct
    Wrong
  • 2
    0
    Correct
    Wrong
  • 3
    -0.5
    Correct
    Wrong
  • 4
    0.5
    Correct
    Wrong
  • Show AnswerHide Answer
  • Workspace

Answer : 3. "-0.5"

Q:

The length of a rectangular garden is 12 metres and its breadth is 5 metres. Find the length of the diagonal of a square garden having the same area as that of the rectangular garden:

895 0

  • 1
    2√30 m
    Correct
    Wrong
  • 2
    √13 m
    Correct
    Wrong
  • 3
    13 m
    Correct
    Wrong
  • 4
    8√15 m
    Correct
    Wrong
  • Show AnswerHide Answer
  • Workspace

Answer : 1. "2√30 m "

Q:

A hemispherical bowl of internal radius 18 cm is full of liquid. This liquid is to be filled in cylindrical bottles each of radius 3 cm and height 6 cm. How many bottles are required to empty the bowl

895 0

  • 1
    72
    Correct
    Wrong
  • 2
    70
    Correct
    Wrong
  • 3
    68
    Correct
    Wrong
  • 4
    66
    Correct
    Wrong
  • Show AnswerHide Answer
  • Workspace

Answer : 1. "72"

Q:

If (10 a3+4b3):(11a3-15b3)=7:5, then (3a+5b):(9a-2b)=?

895 0

  • 1
    10:13
    Correct
    Wrong
  • 2
    8:7
    Correct
    Wrong
  • 3
    5:4
    Correct
    Wrong
  • 4
    3:2
    Correct
    Wrong
  • Show AnswerHide Answer
  • Workspace

Answer : 1. "10:13"

Q:

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

I. x2+ 35x + 306 = 0

II. y2 + 41y + 408 = 0

895 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 relationship between x and y cannot be established
    Correct
    Wrong
  • Show AnswerHide Answer
  • Workspace

Answer : 5. "x = y or relationship between x and y cannot be established"

Q:

Directions: In each of these questions, two equations (i) and (ii) are given, you have to solve both the equations and give answer accordingly.

(i) 2x² + 9x + 9 = 0
 (ii) 15y² + 16y + 4 = 0

894 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 no relation can be established between x & y.
    Correct
    Wrong
  • Show AnswerHide Answer
  • Workspace

Answer : 2. "x < y "

      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