SPEED TEST 3
Monday, March 28, 2011
Saturday, March 19, 2011
Friday, March 11, 2011
MIXTURE AND ALLIGATION
QUESTION
QUES 1: A tea merchant blends two types of tea costing Rs.16.50 per Kg and Rs.14.50 per Kg each. In what ratio should these two types of tea be mixed so that the merchant got 5% profit, if he sells the mixture at Rs.15.75 per Kg?
QUES 2: A tea merchant blends two types of tea costing Rs.32.50 per Kg and Rs.40 per Kg each. In what ratio should these two types of tea be mixed so that the resulting mixture may cost Rs.36.20 per Kg?
QUES 3: The ratio of girls and boys is 2:5. If the average weight of girls is 60 and the average weight of all students is 35. Find the average age of the boys?
QUES 4: The cost of milk is Rs.16/liter. In what ratio must be water be added so that the average cost of mixture is Rs.11/liter?
QUES 5: The cost of chair and table is Rs.6000. Chair is sold at 10% profit and the table is sold at 18% profit. If the total profit is Rs.720. find the cost of table?
QUES 6: A bag contains 160 notes of Rs.50 and Rs.20. if the total cost is Rs.5120. find the number of notes of Rs.20?
QUES 7: A container contains 2000 liter petrol. From this container 50 liter of petrol was taken out and replace with diesel. This process repeats further two times. How much percent petrol is now contained by container?
QUES 8: The ratio of milk and water in a vessel is 4:5. In another vessel the ratio of milk and water is 3:1. In what ratio should the mixture of both the containers be taken so that the resulting ratio should be 1:1?
QUES 9: A container contains 200 liter milk. From this container 5 liter of milk was taken out and replaces further ones. How much milk is now contained by container?
QUES 10: A container contains 90 liter milk. From this container 9 liter of milk was taken out and replace with water. This process repeats further two times. How much milk is now contained by container?
QUES 11: A mixture of 60 liter of milk and water contains 5% of water. How much water must be added to make 15% of resulting mixture?
QUES 12: Rahul purchase 2 bikes of Rs.50000 and sold at Rs.60000. if he sale first at 12% profit and other at 32% profit. Find the cost of the bike which sold at 12% profit?
QUES 13: A tea merchant blends two types of tea costing Rs.8.50 per Kg and Rs.12 per Kg each. In what ratio should these two types of tea be mixed so that the resulting mixture may cost Rs.9.25 per Kg?
QUES 14: A shopkeeper has 220kg of rice. If he sold some part of if at 20% profit and the rest at a profit of 9%. If he got a profit of 13% in all. Then how much rice did he sold at 9% profit?
QUES 15: Rs.50.40 are distributed among 60 boys and girls in such a way that each boy get 90 paisa and each girl get 70 paisa. Find the number of boys and girls?
QUES 16: A man has a chemical costing Rs. 9 per liter. In what ratio must be water be added so that, there can be a profit of 20% on selling it as Rs. 9 per liter?
QUES 17: A shopkeeper sold two types of rice costing Rs.12.50 per Kg and Rs.16 per Kg each. In what ratio should these two types of rice be mixed so that there can be a profit of 10%, on selling it as Rs.15 per Kg?
QUES 18: The average age of employee in an office is 40 years. The average of male and female employees is 42.5 years and 39.25 years respectively. Find the ratio of male and female employees?
QUES 19: A mixture of 240 liter sprit and water contains 26% of sprit. How much sprit must be added to make 60% of resulting mixture?
QUES 20: 1105 chocolates are distributed among 85 boys and girls. Each boy get 16 chocolate and each girl get 11 chocolate. Find the number of boys and girls?
ANSWERS
Question
|
Answer
|
Question
|
Answer
|
1
|
1:3
|
11
|
7 Liters
|
2
|
38:37
|
12
|
30000
|
3
|
25
|
13
|
11:3
|
4
|
11:5
|
14
|
140 Kg
|
5
|
1500
|
15
|
42 Boys & 18 Girls
|
6
|
96 Notes
|
16
|
5:1
|
7
|
92.5%
|
17
|
52:25
|
8
|
9:2
|
18
|
3:10
|
9
|
190.125 Liters
|
19
|
204 Liters
|
10
|
65.61 Liters
|
20
|
34 Boys & 51 Girls
|
Monday, March 7, 2011
PIPES AND CISTERN
QUESTIONS
QUES 1: A cistern can be filled by pipe A and B in 12 minutes and 10 minutes respectively. The full tank can be emptied by a third pipe C in 8 minutes only. If all the taps be turned on at the same time, the cistern will be full in how much time?
QUES 2: Two pipes A and B can fill a tank in 10 hours and 15 hours respectively. If both the pipes open together how much time will it take to fill the tank?
QUES 3: Two pipes A and B can fill a tank in 60 minutes. If pipe A alone can fill it in 75 minutes. How much time will the pipe B take to fill the tank alone?
QUES 4: Three pipes A, B and C can fill a tank in 30 hours, 20 hours and 10 hours respectively. If all the pipes open together how much time is required to make the tank full?
QUES 5: Three pipes A, B and C together can fill a tank in 15 minutes. One of the pipes can fill it in 45 minutes and another in 30 minutes. How much time is taken by the third pipe alone to make the tank full?
QUES 6: A cistern can be filled by pipe A and B in 40 minutes and 60 minutes respectively. There is also an outlet C. If all the taps are open together the tank is full in 2 hours. How much time is taken by C to empty the full tank?
QUES 7: A cistern can be filled by pipe A and B in 30 minutes and 45 minutes respectively. There is also an outlet C. If all the taps are open together the tank is full in 1 hour and 15 minutes. How much time is taken by C to empty the full tank?
QUES 8: Pipe A can fill the tank in 12 minutes and pipe B can empty it in 8 minutes. If 3/4th part of the tank is already full and both the pipes are open together. In much time both the pipes empty the tank?
QUES 9: A pipe can fill a tank in 40 minutes. Due to the leakage in the bottom it is filled in 50 hours. If the tank is full, how much time will the leak take to empty it?
QUES 10: P, Q and R are three pipes connected to a tank. P and Q together fill the tank in 4 hours. R and Q together fill the tank in 6 hours. P and R together fill the tank in 5 hours. In how much time will P, Q and R fill the tank together?
QUES 11: Two pipes A and B can fill a tank in 25 minutes and 35 minutes respectively. But a third pipe C can empty it in 10 minutes. The first two pipes are kept open for 5 minutes in the beginning and then the third pipe is also opened. In what time is the cistern emptied?
QUES 12: A cistern can be filled by pipe A and B in 25 hours and 30 hours respectively. There is also an outlet C which can empty it in 40 hours. If all the taps are open together. After 5 minutes pipe C must be turned off. In how much time the cistern is full?
QUES 13: A tank has a leak which would empty it in 16 hours. A tap is turned on which admits 12 liter a minute into the tank and it is now emptied in 24 hours. How many liters does the tank hold?
QUES 14: Two pipes A and B can fill a tank in 12 minutes and 16 minutes respectively. If both the pipes open together after how much time should be B closed so, that the tank is full in 9 minutes?
QUES 15: Two pipes A and B can fill a tank in 10 hours and 12 hours respectively. B is open for 2 hours in the beginning, and then B is closed. In how much time A fill the remaining tank?
QUES 16: Two pipes A and B can fill a tank in 50 minutes and 60 minutes respectively. If both the pipes open together for 10 minutes, then B is closed. In how much time A fill the remaining tank?
ANSWERS:
Question
|
Answer
|
Question
|
Answer
|
1
|
17(1/7) Minutes
|
9
|
200 Minutes
|
2
|
6 Hours
|
10
|
3(9/37) Hours
|
3
|
300 Minutes
|
11
|
10(10/11) Hours
|
4
|
5 (5/11) Hours
|
12
|
10(15/44) Hours
|
5
|
90 Minutes
|
13
|
34560 Liters
|
6
|
30 Minutes
|
14
|
4 Hours
|
7
|
23 (13/19) Minutes
|
15
|
8(1/3) Hours
|
8
|
18 Minutes
|
16
|
38 Minutes
|
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