In an examination the average marks of Rohit is 65. If he got 15 more marks in science and 25 more marks in maths then his average would have been 70. Find the total number of subjects he studied?
Let total number of subjects be x. Then, => (65x + 25 + 15)/x = 70 => 65x + 25 + 15 = 70x => 5x = 40 => x = 8
Statement : Some towers are pillars.
Some pillars are buildings.
All buildings are flats.
No flat is a house.
Conclusion:...
Statement:
Mostly Maruti is Audi.
A few Audi is BMW.
All BMW are roofs.
No Toyota is Honda.
Conclusion: ...
Statements: Some racks are tables.
Some tables are chairs.
No chair is a book.
Conclusions: I. Some racks are chairs. ...
Statement :
All balls are pencils.
All keys are balls.
Conclusion:
I. At least some pencils are keys.
II. All pencils are balls.
Statements:
Some hangers are cloths.
All cloths are drawers.
Some drawers are almirahs.
Conclusions :
I . Some ...
Statements: Some books are notebooks.
No notebooks is a pages.
In the question below some statements are given followed by three conclusions I, II and III. You have to take the given statements to be true even if t...
Statement:
Few M are not N.
All N are O.
Only m few O are P.
Conclusion:
1. All M can be N.
2. Some M a...
Statements:
Some heights are weight.
Some weight are tall.
Some tall are short.
Conclusions:
I. No height is tall.
II. Some heights are tall.
Some diaries are not pencils. All notebooks are papers. Some diaries are not notebooks