3i Infotech Sample Aptitude Test
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Set of questions will help you to grab confidence on questions asked on computer awareness in various competitive examinations like IBPS PO ,MT Exam, Bank PO,Clericals etc.
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Question 1 of 10
1. Question
Twice the speed of a boat downstream is equal to thrice the speed upstream. The ratio of its speed in still water to the speed of current is
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Question 2 of 10
2. Question
A person has a chemical of Rs. 25 per litre. In what ratio should water be mixed with that chemical so that after selling the mixture at Rs. 20/litre he may get a profit of 25%?
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Question 3 of 10
3. Question
The difference between the simple interest and compound interest on a certain sum of money for 2 years at 15% p. a. is Rs. 45. Find the sum.
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Question 4 of 10
4. Question
How many terms are there in an A.P. whose first and fifth terms are 14 and 2, respectively, and the sum of terms is 40?
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Question 5 of 10
5. Question
In a class, 50 students play cricket, 20 students play football and 10 play both cricket and football. How many play at least one of these two games?
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Question 6 of 10
6. Question
A bottle is full of Dettol. Onethird of it is taken out and then an equal amount of water is poured into the bottle to fill it. This operation is done four times. Find the final ratio of dettol and water in the bottle.
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Question 7 of 10
7. Question
In a survey of defaulted payments of electrical bills of a residential complex of 125 houses, it is found that 50 houses defaulted on their payment of electrical bills in January, 60 in February and 40 in March. Houses can default in consecutive months only. 20 defaulted in January and February. 10 defaulted in February and March. How many houses defaulted in all the 3 months?
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Question 8 of 10
8. Question
A person standing on the bank of a river observes that the angle of elevation of the top of a tree on the opposite bank of the river is 60° and when he retires 40 metres away from the tree the angle of elevation becomes 30°. The breadth of the river is
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Question 9 of 10
9. Question
India plays two matches each with West Indies and Australia. In any match the probabilities of India getting points 0, 1, 2 are 0.45, 0.05 and 0.50 respectively. Assuming that outcomes are independent, the probability of India getting at least 7 points is
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Question 10 of 10
10. Question
Three persons work independently on a problem. If the respective probabilities that they will solve it are 1/3, 1/4 and 1/5, then the probability that none can solve it is
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