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Sticky Note
What is the mean of 12, 18, 24, and 30?
  1. 20
  2. 21
  3. 22
  4. None of these
Explanation

Mean = (12 + 18 + 24 + 30) ÷ 4 = 84 ÷ 4 = 21.

Related MCQs

There are 54 coins in total. Some are 20-cent coins and some are 50-cent coins. Their total value is $20.70. How many 20-cent coins are there
  1. 21
  2. 23
  3. 27
  4. 31
اس سوال کو وضاحت کے ساتھ پڑھیں
In a class of 20 students, the average height is 150 cm. One student with a height of 155 cm joins the class. What is the new average height?
  1. 150 cm
  2. 150.24 cm
  3. 150.50 cm
  4. 151 cm
اس سوال کو وضاحت کے ساتھ پڑھیں
The value of the sum of the first 4 multiples of 5 is?
  1. 25
  2. 30
  3. 50
  4. 60
اس سوال کو وضاحت کے ساتھ پڑھیں
The average of five numbers 2, 7, 9, 10, x is 5. Find the value of x.
  1. -5
  2. -3
  3. 2
  4. 5
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A batsman scores 100 runs in his 10th inning, which increases his average score for the previous 9 innings by 8 runs. What was his average score after the 9th inning?
  1. 20
  2. 22
  3. 24
  4. None of these
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