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Two men and women are entrusted with a task. The second man needs three hours more to cope up with the job than the second man and the woman would need working together. The first man, working alone, would need as much time as second man and the woman working together. The first man working alone, would spend eight hours less than the double period of the time second man would spend working alone. How much time would the two men and the women need to complete the task if they all asked together?
Answer: Option 1 Difference in times required by the first man (A) and second man (B) = 3 hours. Also, if ta and tb are the respective times, then tb -...
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Three gentlemen and three ladies are candidates for two vacancies. A voter has to vote for two candidates. In how many ways can one cast his vote?
Answer: Option 4 There are 6 candidates and a voter has to vote for any two of them. So, the required number of ways is, $$\eqalign{ & { = ^6}{{\text{C}}_2} \cr & =...
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How many children are there in the row of children facing North Statements : I. Vishakha who is fifth from the left end is eighth to the left of Ashish who is twelfth from the right end. II. Rohit is fifth to the left of Nisha who is seventh from the right end and eighteenth from the left end.?
Answer: Option 3 Since 8th to the left of 12th from the right is 20th from the right, so from I, we know that Vishakha is 5th from left and...
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A four-person crew from Classic Colors is painting Mr. Field's house. Michael is painting the front of the house. Ross is in the alley behind the house painting the back. Jed is painting the window frames on the north side, Shawn is on the south. If Michael switches places with Jed, and Jed then switches places with Shawn, where is Shawn?
Answer: Option 3 After all the switches were made, Shawn is in front of the house. Ross is in the alley behind the house,Michael is on the north side, and...
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Which of the following statements regarding species interdependence are true A. An association of two species where one is benefitted and other remains unaffected called mutualism B. An interspecific association where both partners derive benefit from each other is called commensalism C. A direct food relation between two species of animals in which one animals kills and feed on another is referred as predation D. A relationship between two species of organism where both the partners are benefitted from each other is called symbiosis?
Answer: Option 2 A direct food relation between two species of animals in which one animals kills and feed on another is referred as predation and a relationship between two...
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If the length of a combined footing for two columns l meters apart is L and the projection on the left side of the exterior column is x, then the projection y on the right side of the exterior column, in order to have a uniformly distributed load, is (where x̅ is the distance of centre of gravity of column loads).?
Answer: Option 4 Let'
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A two digit number ab is added to another number ba, which is obtained by reversing the digits then we get three digit number. Thus (a + b) equals to:?
Answer: Option 4 When two two digit numbers are added and the resultant value is a three digit number. It means there must be a carry over (i.e. The sum...
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There are six teachers. Out of them two are primary teachers and two are secondary teachers. They are to stand in a row, so as the primary teachers, middle teachers and secondary teachers are always in a set . The number of ways in which they can do so, is-?
Answer: Option 2 There are 2 primary teachers. They can stand in a row in P (2, 2) = 2! = 2 × 1 ways = 2 ways ∴ Two middle teachers. They can...
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Directions : In each of the following questions a statement is given, followed by two conclusions. Give answer : Statements : Today out of the world population of several thousand million, the majority of men have to live under governments which refuse them personal liberty and the right to dissent. Conclusions : I. People are indifferent to personal liberty and the right to dissent. II. People desire personal liberty and the right to dissent.?
Answer: Option 2 It is mentioned in the statement that most people are forced to live under Governments which refuse them personal liberty and the right to dissent. This means...
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Directions : In each of the following questions a statement is given, followed by two conclusions. Give answer : Statement : Today out of the world population of several thousand million, the majority of men have to live under governments which refuse them personal liberty and the right to dissent. Conclusion : I. People are indifferent to personal liberty and the right to dissent. II. People desire personal liberty and the right to dissent.?
Answer: Option 2 It is mentioned in the statement that most people are forced to live under Governments which refuse them from personal liberty and the right to dissent. This...
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