Of the three numbers,second is twice the first and also thrice the third.If the average of the three numbers is 44,the largest number is:1). 242). 723). 364). 108
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1. The average of the marks obtained in an examination by 8 students was 51 and by 9 other students was 68.The average marks of all 17 students was :
2. Number of boys and girls are 'p' and 'q' respectively. Weights of a girl and a boy are 'y' Kg and 'x' Kg respectively. The average weight (in Kg) of all boys and girls.
3. In the month of April, Rahul’s average expenditure for the first 10 days was Rs 800 per day. If his average expenditure for the next 10 days decreases by Rs 25 after every 10 days and he earns Rs 25,000 per month. Calculate his savings in the month of April.
4. The average of 10 numbers is calculated as 15. It is discovered later on that while calculating the average one number, namely 36, was wrongly read as 26.The correct average is
5. In the first 45 overs of a 50 over innings, the run rate was 5.8 runs per over. What is the required run rate in the remaining overs to reach the target of 295 runs?
6. The average weight of 10 boys is increased by 1.5 kg when Arjun whose weight is 45 kg is replaced by Rohan. Find the weight of Rohan?
7. The average age of 40 students of a class is 18 years. When 20 new students are admitted to the same class, the average age of the students of the class is increased by 6 months. The average age of newly admitted student is
8. Out of 20 boys, 6 are each of 1 m 15 cm height, 8 are of 1 m 10 cm and rest of 1 m 12 cm. The average height of all of them is
9. In a locality of 200 families, there are 172 families that have at least one car. 69 families have at least 2 cars. 12 families have at least 3 cars. No family has more than 3 cars. What is the average number of cars that a family has?
10. A hostel mess requires 91 kg of rice and 42 kg of wheat for seven days. If wheat is used once every week in a month, then the quantity of rice and wheat required for the months of July and August together is
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