The average of the largest and smallest 3 digits numbers formed by 0, 2 and 4 would be :
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1
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A man travels equal distances of his journey at 40, 30 and 15 km/h. respectively. Find his average speed for whole journey.
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10
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The average marks of four subjects is 120. If 33 was misread as 13 during the calculation, what will be the correct average?
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2
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The average of 9 observations was found to be 35. Later on, it was detected that an observation 81 was misread as 18. The correct average of the observation is -
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3
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The average wages of a worker during a fortnight comprising 15 consecutive working days was Rs. 90 per day. During the first 7 days, his average wages was Rs. 87/day and the average wages during the last 7 days was Rs. 92/day. What was his wage on the 8th day?
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4
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The average age of 30 students of a class is 14 years 4 months. After admission of 5 new students in the class the average becomes 13 years 9 months. The youngest one of the five new students is 9 years 11 months old. The average age of the remaining 4 new students is :
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5
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If the arithmetic mean of 7, 5, 13, x and 9 is 10, then the value of x is :
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6
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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.
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7
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Find the average of first 97 natural numbers.
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8
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The average of 6 numbers is 7. The average of three numbers of them is 5. What will be the average of remaining numbers?
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9
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Mean of 10 numbers is 30. Later on it was observed that numbers 15, 23 are wrongly taken as 51, 32. The correct mean is :
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