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Quiz Discussion

The average sale of car dealership was 15 cars per week. After a promotional scheme the average sale increased to 21 cars per week. The percentage increased in the sale of cars was-

Course Name: SQL -Structured Query Language

  • 1]

    39.33%

  • 2]

    40%

  • 3]

    4267%

  • 4]

    140%

Solution
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1
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The average of first five multiples of 3 is:

  • 1] 9
  • 2] 10
  • 3] 8
  • 4] 11
Solution
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The speed of the train going from Nagpur to Allahabad is 100 km/h while when coming back from Allahabad to Nagpur, its speed is 150 km/h. find the average speed during whole journey.

 

  • 1] 125 km/hr
  • 2] 75 km/hr
  • 3] 135 km/hr
  • 4] 120 km/hr
Solution
2
Discuss

Mukesh has twice as much money as Soham. Soham has 50% more money than Pankaj. If the average money with them is Rs. 110, then Mukesh has :

  • 1] Rs. 155
  • 2] Rs. 160
  • 3] Rs. 180
  • 4] Rs. 175
Solution
3
Discuss

The average weight of a class of 24 students is 35 kg. If the weight of the teacher be included, the average rises by 400 g. The weight of the teacher is -

  • 1] 45 kg
  • 2] 50 kg
  • 3] 53 kg
  • 4] 55 kg
Solution
4
Discuss

Ajay working in a Cellular company as a salesman. His monthly salary is Rs. 200. But he gets bonus as per given rule. If he sells sim cards of Rs. X then his bonus will be   . In the first quarter of the year his average sale was Rs. 3000 per month. In the next 5 five month his average sale was Rs. 5000 per month and for next four month his average sale was Rs. 8000 per month. What is the average earning per month for the whole year?

 

  • 1] Rs. 3350
  • 2] Rs. 3610
  • 3] Rs. 3750
  • 4] Rs. 3560
  • 5] None of these
Solution
5
Discuss

Find the average increase rate, if increase in the population in the first year is 30% and that in the second year is 40%.

  • 1] 41%
  • 2] 56%
  • 3] 40%
  • 4] 38%
  • 5] 39%
Solution
6
Discuss

30 pens and 75 pencils altogether were purchased for Rs. 510. If the average price of a pencil was Rs. 2, what was the average price of a pen ?

  • 1] Rs. 9
  • 2] Rs. 10
  • 3] Rs. 11
  • 4] Rs. 12
Solution
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Distance between two stations A and B is 778km. A train covers the journey from A to B at 84 km per hour and returns back to A with a uniform speed of 56 km per hour. Find the average speed of train during the whole journey.

  • 1]

    60 km/hr

  • 2]

    30.5 km/hr

  • 3]

    57 km/hr

  • 4]

    67.2 km/hr

Solution
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The average age of an adult class is 40 years. 12 new students with an average age of 32 years join the class, thereby decreasing the average by 4 years. The original strength of the class was-

  • 1] 10
  • 2] 11
  • 3] 12
  • 4] 15
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There are two sections A and B of a class, consisting of 36 and 44 students' respectively. If the average weight of section A is 40kg and that of section B is 35kg, find the average weight of the whole class.

  • 1] 30 kg
  • 2] 35 kg
  • 3] 42.5 kg
  • 4] 37.25 kg
Solution
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