A cricketer had a certain average of runs for his 64 innings. In his 65th innings, he is bowled out for no score on his part. This brings down his average by 2 runs. His new average of runs is :
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1
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The present age of a father is 3 years more than three times the age of his son. Three years hence, father's age will be 10 years more than twice the age of the son. The father's age is :
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2
Discuss

The average weight of A, B and C is 40 kgs. Weight of C is 24 kgs more than A’s weight and 3 kgs less than B’s weight. What will be the average weight of A, B, C and D, if D weights 15 kgs less than C?
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3
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The average weight of 47 balls is 4 g. if the weight of the bag (in which the balls are kept) be included; the calculated average weight per ball increases by 0.3 g. What is the weight of the bag?
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4
Discuss

If 25a + 25b = 115, what is the average of a and b?
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5
Discuss

In a primary school the average weight of male students is 65.9 kg and the average weight of female students is 57 kg. If the average weight of all the students ( both male and female ) is 60.3 kg and the number of male students in the school is 66, what is the number of female students in the school?
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6
Discuss

Find the average of all the numbers between 6 and 34 which are divisible by 5 
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7
Discuss

The average of a group of men is increased by 5 years when a person aged of 18 years is replaced by a new person of aged 38 years. How many men are there in the group?
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8
Discuss

If the mean of a,b,c is M and ab+bc+ca=0, then the mean of a^{2},b^{2},c^{2} is:
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9
Discuss

The average age of husband and his wife was 23 years at the time of their marriage. After five tears they have a oneyear old child. The average age of the family of three, when the child was born, was
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10
Discuss

What is the average of the first six (positive) odd number each of which is divisible by 7?
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