The average of 10 numbers is 23. If each number is increased by 4, what will the new average be?
Options:
A .  22
B .  27
C .  25
D .  29
Answer: Option B
Sum of the 10 numbers = 230 If each number is increased by 4, the total increase = 4 * 10 = 40 The new sum = 230 + 40 = 270 The new average = 270/10 = 27.
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