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Question 1
Marked price of an item is Rs 900. On purchase of 2 items discount is 6%, on purchase of 3 items discount is 12%. Rajani buys 5 items, what is the effective discount percentage?
Question 2
The mean of marks secured by 35 students in division A of class X is 65, 45 students of division B is 61 and that of 70 students of division C is 59. What is the mean of marks of the students of three divisions of Class X?
Question 3
There is 40% increase in an amount in 10 years at simple interest. What will be the compound interest on Rs 25000 after 2 years at the same rate?
Question 4
What is the principal which will amount to Rs. 132 in 2 years at 5% simple interest per annum
Question 5
To travel 660 km, an Express train takes 10 hours more than Rajdhani. If however, the speed of the Express train is doubled, it takes 7 hours less than Rajdhani. The speed of Rajdhani is
Question 6
Each of two jungle billee is sold for Rs. 1290 . The first one is sold at 30% profit and other one is sold at 30% loss. What will be percentage gain or loss in this overall deal?
Question 7
3/4 part of a tank is filled with oil. After taking out 60 litres of oil, the tank is 2/3 part full. What is the capacity (in litres) of the tank?
Question 8
What is the rate of interest if simple interest earned on a certain sum for the 3rd year is Rs 1,750 and compound interest earned for 2 years is Rs 3622.5?
Question 9
Before a battle the ratio of tanks to planes in an army was 5 : 3. During the war 1000 tanks were destroyed and 800 planes were destroyed. The ratio of tanks to planes became 2 : 1. What is the number of tanks after the war.
Question 10
Raj sells a machine for Rs 51 lakhs at a loss. Had he sold it for Rs 60 lakh, his gain would have been 8 times the earlier loss. What is the cost price of the machine?
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May 5CDS & Defence
