The average of 20 numbers is zero. Of them, at the most, how many may be greater than zero ?
0
-1
1
None Of These
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1
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The average of first five multiples of 3 is:
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2
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Total expenses of a boarding house are partly fixed and partly varying linearly with the number of boarders. The average expense per boarder is Rs. 700 when there are 25 boarders and Rs. 600 when there are 50 boarders. What is the average expense per boarder when there are 100 boarders?
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3
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If the average of 5 consecutive integers is x then, find the average of next to next 5 consecutive integers.
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4
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The average of 20 students is 12 years, if the teacher's age is included, average increases by one. The age of the teacher is:
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5
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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
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6
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The average of the largest and smallest 3 digits numbers formed by 0, 2 and 4 would be :
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7
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Find the average of the following sets of scores:385, 441, 876, 221, 536, 46, 291, 428
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8
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10 years ago, the average age of a family of 4 members was 24 years. Two children having been born (with age difference of 2 years), the present average age of the family is again 24 years. Then the present age of the youngest child is:
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9
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The average age of 20 boys in a class is 12 years. 5 new boys are admitted to the class whose average age is 7 years. The average age of all the boys in the class becomes:
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10
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Find the average of first 97 natural numbers.
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