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Directions (1 -5) Simplify the following questions and find the value of (?).
Q1. 3421 + 5678 – 7654 =?
Q2. 41% of 400+ 51% of 700 – 40% of 890 =?
= 521 – 356
Q3. 836 ÷ 4 × 5 + 128 – 768 =?
Q6. A vessel contains 100 litres mixture of milk and water in the respective ratio of 22 : 3. 40 litres of the mixture is taken out from the vessel and 4.8 litres of pure milk and pure water each is added to the remaining quantity of mixture. By what percent quantity of water is less than the quantity of milk in final mixture?
Q7. In a vessel, there is a mixture of apple, orange and mango juices in the ratio of 3 : 5 : 4 respectively. A quantity of 12 litres from the mixture is replaced by 8 litres of apple juice. Thereafter the quantities of apple and orange juices in the resultant mixture become same. Find out the initial quantity of mixture in the vessel.
Q8. A jar has 60 litres of milk. From the jar, 12 litres of milk was taken out and replaced by an equal amount of water. If 12 litres of the newly formed mixture is taken out of the jar, what is the final quantity of milk left in the jar?
Q9. Point P to Point Q is a downstream journey of 300 km on a stream which flows at a speed of 5 km/hr. Two boats X and Y starts from point P and Point Q respectively with speed of 25 km/hr and 15 km/hr in still water. After reaching the opposite point they return to their starting points, find after how much time will they meet second time?
Q10. A motor boat can travel at 10 km/hr in still water. It travelled 91 km downstream in a river and then returned, taking altogether 20 hrs. Find the rate of the flow of the river
Directions (11-15): The following bar graph shows the percentage of chairs produced by two companies Neel Kamal and Raj Kamal during five different years.
Bar graph also shows the total no. of chairs produced in different years associated with it.
Study the graph carefully to answer the following questions.
Note: There are only two companies (Neel Kamal and Raj Kamal) producing chairs in the given years.
Q11. Total no. of chairs produced by Raj Kamal in 2005 and 2006 together is approximately how much percent more than that by Neel Kamal in the year 2004 and 2005 together?
Q12. Find the average no. of chairs produced by Raj Kamal in the years 2004, 2006 and 2007 together.
Q13. What is the ratio of no. of chairs produced by Neel Kamal in the years 2007 and 2008 together to that by Raj Kamal in the same years together?
Q14. Total no. of chairs produced in the years 2005 and 2006 together are what percent more or less than to that of total chairs produced in 2004 and 2007 together?
Q15. If 12% chairs out of total chairs produced in the year 2008 were defective and in them ratio of defective chairs by Raj Kamal and Neel Kamal is 2 : 3 then find the no. of defective chairs produced by Neel Kamal in the year 2008.
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