Maths Practice Question and Answer

Q: On selling 17 balls at Rs. 720, there is a loss equal to the cost price of 5 balls. The cost price of a ball is ? 2996 0

  • 1
    Rs. 55
    Correct
    Wrong
  • 2
    Rs. 60
    Correct
    Wrong
  • 3
    Rs. 65
    Correct
    Wrong
  • 4
    Rs. 70
    Correct
    Wrong
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Answer : 2. "Rs. 60"
Explanation :

Answer: B) Rs. 60 Explanation: Let the cost price of a ball is Rs.xGiven, on selling 17 balls at Rs. 720, there is a loss equal to the cost price of 5 ballsThe equation is :17x - 720 = 5xSolving the equation we get x = 60Therefore, cost price of a ball is Rs. 60.

Q:

What will come in place of question mark (?) in the following series?
8, 10, 18, 44, 124, ?

2995 0

  • 1
    344
    Correct
    Wrong
  • 2
    366
    Correct
    Wrong
  • 3
    354
    Correct
    Wrong
  • 4
    356
    Correct
    Wrong
  • 5
    None of these
    Correct
    Wrong
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Answer : 2. "366 "

Q:

Rohit starts a business with Rs.6,500 and after 8 months Shyam joins Rohit as his partner. After 4 years the profit is divided in the ratio of 13 : 12. What is Shyam’s contribution in the capital?

2991 0

  • 1
    Rs. 7400
    Correct
    Wrong
  • 2
    Rs. 7250
    Correct
    Wrong
  • 3
    Rs. 7630
    Correct
    Wrong
  • 4
    Rs. 7200
    Correct
    Wrong
  • 5
    Rs. 7480
    Correct
    Wrong
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Answer : 4. "Rs. 7200 "

Q:

5 number whose average is 76, the first is 3/7 times the sum of other 4. the first number is: 

2990 0

  • 1
    176
    Correct
    Wrong
  • 2
    228
    Correct
    Wrong
  • 3
    171
    Correct
    Wrong
  • 4
    114
    Correct
    Wrong
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Answer : 4. "114 "

Q:

The breadth of a rectangular hall is three - fourth of its length. If the area of the floor is 768 sq. m., then the difference between the length and breadth of the hall is: 

2990 0

  • 1
    8 metres
    Correct
    Wrong
  • 2
    12 metres
    Correct
    Wrong
  • 3
    24 metres
    Correct
    Wrong
  • 4
    32 metres
    Correct
    Wrong
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Answer : 1. "8 metres "

Q:

If for an edition of the book, the cost of paper is Rs. 56250, then find the promotion cost for this edition?

2989 0

  • 1
    Rs. 20,000
    Correct
    Wrong
  • 2
    Rs. 22,500
    Correct
    Wrong
  • 3
    Rs. 25,500
    Correct
    Wrong
  • 4
    Rs. 28,125
    Correct
    Wrong
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Answer : 2. "Rs. 22,500"
Explanation :

Let the Promotion cost for this edition be Rs. p.
Then, 25 : 10 = 56250 : p ⇒ p = Rs.  = Rs. 22500.

Q:

Directions:Study the following table carefully to answer these questions:

Percentage of Marks obtained by six students in six subjects

What is the ratio between total marks obtained by D in Biology, Maths and English together and the total marks obtained by F in these subjects together respectively?

2988 0

  • 1
    209 : 215
    Correct
    Wrong
  • 2
    215 : 209
    Correct
    Wrong
  • 3
    206 : 223
    Correct
    Wrong
  • 4
    223 : 206
    Correct
    Wrong
  • 5
    None of these
    Correct
    Wrong
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Answer : 1. "209 : 215 "

Q:

In a group of students, 70 % can speak English and 65 % can speak Hindi. If 27 % of the students can speak none of the two languages, then what percent of the group can speak both the languages? 

2988 0

  • 1
    38%
    Correct
    Wrong
  • 2
    62%
    Correct
    Wrong
  • 3
    28%
    Correct
    Wrong
  • 4
    23%
    Correct
    Wrong
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Answer : 2. "62% "

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