1
UPSC Civil Service Prelims Paper II 2021 (CSAT)
MCQ (Single Correct Answer)
+2.5
-0.83
Change Language
Half of the villagers of a certain village have their own houses. One-fifth of the villagers cultivate paddy. One-third of the villagers are literate. Four-fifth of the villagers are under 25 years of age. Which one of the following statements is certainly correct ?
A
All the villagers who have their own houses are literate.
B
Some villagers under 25 years of age are literate.
C
Only half of the villagers who cultivate paddy are literate.
D
No villager under 25 years of age has his own house.
2
UPSC Civil Service Prelims Paper II 2021 (CSAT)
MCQ (Single Correct Answer)
+2.5
-0.83
Change Language

Consider two Statements and four Conclusions given below. You have to take the Statements to be true even if they seem to be at variance from the commonly known facts. Read all Conclusions and then decide which of the given Conclusion(s) logically follows/follow from the Statements, disregarding the commonly known facts.

Statement - 1 : Some greens are blues.

Statement - 2 Some blues are blacks.

Conclusion - 1 : Some greens are blacks.

Conclusion - 2 : No green is black.

Conclusion - 3 : All greens are blacks.

Conclusion - 4 : All blacks are greens.

Which one of the following is correct ?

A
Conclusion-1 and Conclusion-2 only
B
Conclusion-2 and Conclusion-3 only
C
Conclusion-3 and Conclusion-4 only 
D
Neither Conclusion 1 nor 2 nor 3 nor 4
3
UPSC Civil Service Prelims Paper II 2021 (CSAT)
MCQ (Single Correct Answer)
+2.5
-0.83
Change Language
In a certain code language 'MATHEMATICS' is written as 'LBSIDNZUHDR'. How is 'CHEMISTRY' written in that code language?
A
DIDLHRSSX
B
BIDNHTSSX
C
BIDLHTSSX
D
DGFLIRUQZ
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