Maths Practice Question and Answer

Q:

A merchant has 1000 kg sugar, some part of which he sells at 8 % profit and the rest at 18 % profit. He gains 14 % on the whole. The quantity sold at 8 % profit is: 

1544 0

  • 1
    400 kg
    Correct
    Wrong
  • 2
    560 kg
    Correct
    Wrong
  • 3
    600 kg
    Correct
    Wrong
  • 4
    640 kg
    Correct
    Wrong
  • Show AnswerHide Answer
  • Workspace

Answer : 1. "400 kg"

Q:

A shuttlecock used of playing badminton has the shape of a frustum of a cone mounted on a semi sphere. The external diameters of the frustum are 5 cm and 2 cm, the height of the entire shuttlecock is 7 cm. The external surface is of the shuttlecock is:

1544 0

  • 1
    67.98 sq.cm
    Correct
    Wrong
  • 2
    74.26 sq.cm
    Correct
    Wrong
  • 3
    70 sq.cm
    Correct
    Wrong
  • 4
    72 sq.cm
    Correct
    Wrong
  • Show AnswerHide Answer
  • Workspace

Answer : 2. "74.26 sq.cm"

Q:

Two numbers are in the ratio 3 : 4. Their L.C.M. is 84. The greater number is 

1544 0

  • 1
    28
    Correct
    Wrong
  • 2
    84
    Correct
    Wrong
  • 3
    21
    Correct
    Wrong
  • 4
    24
    Correct
    Wrong
  • Show AnswerHide Answer
  • Workspace

Answer : 1. "28"

Q:

A 1.6 m tall observer is 45 metres away from a tower. The angle of elevation from his eye to the top of the tower is 30 °, then the height of the tower in metres is ( Take √3 = 1.732 ) 

1544 0

  • 1
    27.58
    Correct
    Wrong
  • 2
    27.98
    Correct
    Wrong
  • 3
    25.98
    Correct
    Wrong
  • 4
    26.58
    Correct
    Wrong
  • Show AnswerHide Answer
  • Workspace

Answer : 1. "27.58 "

  • Show AnswerHide Answer
  • Workspace

Answer : 1. "123"

Q:

The average weight of three men A, Band C is 84 kg. D joins them and the average weight of the four becomes 80 kg. If E whose weight is 3 kg more than that of D, replaces A, the average weight of B, C, D and E becomes 79 kg. The weight of A is: 

1543 0

  • 1
    65 kg .
    Correct
    Wrong
  • 2
    70 kg .
    Correct
    Wrong
  • 3
    75 kg.
    Correct
    Wrong
  • 4
    80kg .
    Correct
    Wrong
  • Show AnswerHide Answer
  • Workspace

Answer : 3. "75 kg. "

Q:

Directions:  The table given below presents the number of books on different subjects kept on separate shelves subjects with odd and even numbers are of arts and Science respectively

The number of books of S2 is what percent of number of books of S6?

1543 0

  • 1
    82.39%
    Correct
    Wrong
  • 2
    76.31%
    Correct
    Wrong
  • 3
    71.42%
    Correct
    Wrong
  • 4
    67.42%
    Correct
    Wrong
  • Show AnswerHide Answer
  • Workspace

Answer : 2. "76.31%"

Q:

Six years ago, the ratio of ages of A to B was 7 : 5. After 4 years from now, the ratio of their ages will be 11 : 9. What is A’s age at present?

1543 0

  • 1
    $$24{1\over 2}years$$
    Correct
    Wrong
  • 2
    $$22{1\over 2}years$$
    Correct
    Wrong
  • 3
    $$23{1\over 2}years$$
    Correct
    Wrong
  • 4
    $$21{1\over 2}years$$
    Correct
    Wrong
  • Show AnswerHide Answer
  • Workspace

Answer : 3. "$$23{1\over 2}years$$"

      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