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Question 12 Marks
In each of the following question, a few statements, followed by four conclusions numbered I, II, III and IV are given. You have to consider every given statement as true, even if it dose not confirm to the well known facts. Read the conclusions and then decide which of the conclusions can be logically derived.
(a) Statements : 
(i) Some toys are pens.
(ii) Some pens are papers.
(iii) Some papers are black.
Conclusions: 
I. Some toys are black.
II. No pen is black.
III. No toy is black.
IV. Some pens are black.
(b) Statements :
(i) Some books are copies.
(ii) All copies are green.
(iii) Some green are yellow.
Conclusions: 
I. All copies are yellow.
II. Some yellow are green.
III. Some copies are yellow.
IV. All green are copies.
Answer
(i) All the conclusions given are mediate inferences. Since, middle term is not distributed in any one pair of the above statements. But conclusion II and IV form a complementary pair from statements 2 and 3 and conclusion I and II form a complementary pair from statements (i), (ii) and (iii). Hence, either I or III and either II or IV follow.
(ii) Conclusions I and II are mediate inferences drawn from statements (ii) and (iii). Since, middle term 'green' is not distributed, hence both conclusions do not follow from statements. Conclusion II is immediate inference drawn from statement (iii). Also, conclusions III and IV do not follow. Hence, only conclusion II follows.
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Question 22 Marks
Arrange each of the following words in meaningful logical order.
(i) 1. Probation 2. Interview 3. Selection 4. Appointment 5. Advertisement 6. Application
(ii) 1. Gold 2. Iron 3. Sand 4. Platinum 5. Diamond
Answer
(i) As for a job, a person first see an advertisement, then fill application form and go for interview. If he/she is selected, got appointment letter and final stage is of probation.
Hence, thr Correct arrangement of given words is 5, $6,2,3,4,1$.
(ii) All the given words represent substances which can be arranged in the increasing order of their cost. The least costly is sand after which comes the cost of iron, followed by gold, diamond and costliest among all is platinum. Hence, the Correct arrangement of given words is $3,2,1,5,4$.
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Question 32 Marks
Out of the words (i) Advertisement (ii) News (iii) Editor (iv) Paper (v) Date, which is most appropriate to complete the sentence 'A newspaper always has......'.
Answer
All the given words are relevant for a newspaper, but out of these the word 'News' is most appropriate and remaining are remove. So, the given sentence can be completed as 'A newspaper always has news'.
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Question 42 Marks
Arrange the following words in a logical and meaningful order.
1. Country 2. Furniture 3. Forest 4. Wood 5. Trees
Answer
From the forest, given words, we can say that country contains forest, for has trees, trees have wood that is used to make furniture, Hence, the correct order of the given words is $1,3,5,4,2$.
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Question 52 Marks
Two statements followed by two conclusions are given below. You have to decide which of the given conclusions logically follows from the given two statements disregarding commonly known facts.
Statements:
(i) Some vegetables are fruits.
(ii) No fruit is black.
Conclusions:
(I) Some fruits are vegetables.
(II) No vegetable is black.
Answer
Conclusion I is immediate inference and follows from statement (i). Conclusion II does not follow as vegetable is distributed in conclusion, but not in the statement, Hence, only conclusion I follows.
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Question 62 Marks
Introducing a girl, Vipin said, "Her mother is the only doughter of my mother-in-law." How is Vipin related to the girl?
Answer
The only daughter of Vipin's mother-in-law is the wife of Vipin. Therefore, the statement, in other words implies that "Her mother is my wife". It is hence clear that Vipin is the father of that girl.
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2 Marks Questions - Applied Maths STD 11 Science Questions - Vidyadip