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Question 1
The average of u, v, w, x, y, z is 10. What is the average of u+10, v+20, w+30, x+40, y+50, z+60?
Question 2
A person’s salary has increased from Rs.7,200 to Rs. 8,100. What is the percentage increase in his salary?
Question 3
18 men can earn Rs. 360 in 5 days. How much money will 15 men earn in 9 days?
Question 4
In an examination, 35% students failed in Hindi, 45% students failed in English and 20% students failed in both the subjects. What is the percentage of students passing in both the subjects?
Question 5
Leela got married 6 years ago. Today her age is 
times her age at the time of her marriage. Her son’s age is 
times her age.
What is the present age of her son?
times her age at the time of her marriage. Her son’s age is times her age. What is the present age of her son?
Question 6
A man buys 200 oranges for Rs. 1,000. How amny oranges for Rs. 100 can he sell so that his peofit percentage is 25%
Question 7
The height of a tree varies as the square root of its age (between 5 in 17 years). When the age of the tree is 9 years, its height is 4 feet. What will be the height of the tree at the age of 16 years?
Question 8
The annual incomes of two persons are in the ratio 9 : 7 and their expenses are in the ratio 4 : 3. If each of them saves
Rs 2,000 per year, what is the difference in their annual incomes?
Rs 2,000 per year, what is the difference in their annual incomes?
Question 9
If 78 is divided into 3 parts which are proportional to 
, then the middle part is:
, then the middle part is:Question 10
In a race of 1000 m, A beats B by 100 m or 10 seconds. If they start a race of 1000 m simulataneously from the same point and if B gets injured after running 50 m less than half the race length and due to which his speed gets halved, then by how much time will A beat B?
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Oct 26CDS & Defence
