Question
The average score of 70
candidates in the SBI PO exam is 40. If the candidates who passed have an average score of 49, while those who failed have an average score of 35, determine the ratio of the number of candidates who passed to the number of those who failed in the SBI PO exam.Solution
ATQ, Total scores = 70×40 = 2800 Let the number of passed and failed aspirants in the SBI PO exam be 'p' and (70-p) respectively. 2800 = p×49+ (70-p)×35 2800 = 49p+70×35-35p 2800-2450 = 14p p = 350/14 = 25 The number of failed aspirants = 70-25 = 45 Required ratio = 25:45 = 5:9
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Only shirt is pant.
Some clothes are shirts.
Only a few shoes are clothes.
Conclusions:
I. Some clot...
Statements:Â Â Â Â Â Â Some tiger are lion.
                               No cat is elephant.
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Read the given statements and conclusions carefully. Assuming that the information given in the statements is true, even if it appears to be at varianc...
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No cube is a cuboid.
Some cuboids are cones.
All cones are quadrilateral.
Conclusion:
I. No cone is a...
Statements:
No Platform is a Train.
Only a few Trains are Hoardings.
Only a few Hoardings are Signals.
Conclusions:
...Statement
Only a few Pink is Black
Some Black is White
All White is Red
Conclusion
I) Â Some Black is Red
Statements: a. Some forests are trees.
b. Some trees are flowers.
c. All forests are deserts..
C...
Statements:
Some tigers are lion.
Only a few lion are zebra.
No zebra is bear.
All bears are fox.
Conclusions:
Statements-:
Some A are B
No B are C
All C are D
Conclusions :-
I. Some A are not B.
II. No A are C.
...At least some singers are dancers. Some dancers are not lyricist.
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