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Question 1
A student has to secure 40% of marks to pass an examination. He gets only 45 marks and fails by 5 marks. The maximum marks are
Question 2
The average age of eight teachers in a school is 40 years. A teacher among them died at the age of 55 years whereas another teacher whose age was 39 years joins them. The average age (in years) of the teachers in the school now is:
Question 3
Marked price of an item is Rs 200. On purchase of 1 item discount is 5%, on purchase of 2 items discount is 14%. Rajeshri buys 3 items, what is the effective discount?
Question 4
A wall clock which gains uniformly is 2 min slow at noon on Sunday and is 4 min 48 s fast at 2 pm on the following Sunday. When did it show the correct time?
Question 5
The fourth proportional to 7,11,14 is
Question 6
A is twice as good as B and together they can complete a work in 20 days. They worked together for 5 days and then only B has completed the work , in how many days B has completed the remaining work
Question 7
How many kilograms of sugar costing Rs. 9 per kg must be mixed with 27 kg of sugar costing Rs. 7 per Kg so that there may be a gain of 10 % by selling the mixture at Rs. 9.24 per Kg?
Question 8
A is thrice as efficient as B and hence complete a work in 40 days less than the number of days taken by b. what will be the number of them when working together?
Question 9
A villager buys a goat and a sheep together for Rs 14,250. He sold the sheep at a profit of 10% and the goat at a loss of 20%. If he sold both the animals atthe same price, then what was the cost price of the cheaper animal?
Question 10
Pipe A can fill a tank in 3 hours. But there is a leakage also, due to which it takes 3.5 hours for the tank to be filled. How much time will the leakage take in emptying the tank if the tank is filled initially?
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Sep 28CDS & Defence
