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Average of first five multiples of 3 is

  • 9
  • 11
  • 13
  • 15
Similar Questions :

1. A library has an average of 510 visitors on Sundays and 240 on other day. The average number of visitors in a month of 30 days starting with sunday is

  • 280
  • 285
  • 290
  • 295

2. Find the average of first 10 multiples of 7

  • 35.5
  • 37.5
  • 38.5
  • 40.5

3. When a student weighing 45 kgs left a class, the average weight of the remaining 59 students increased by 200g. What is the average weight of the remaining 59 students

  • 55
  • 56
  • 57
  • 58

4. Marks of a student were wrongly entered in computer as 83, actual marks of that student were 63. Due to this mistake average marks of whole class got increased by half (1/2). Find the total number of students in that class.

  • 25
  • 30
  • 35
  • 40
  • 45

5. The average of six numbers is X and the average of three of these is Y.If the average of the remaining three is z, then

  • x = y + z
  • 2x = y + z
  • x = 2y + z
  • x = y + 2z
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