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ATQ, Let the total task be 200 units {LCM (25 and 40)} So, efficiency of 'Ajay' = 200 ÷ 25 = 8 units/day And efficiency of 'Bijay' = 200 ÷ 40 = 5 units/day Task done in every 2 days = 8 + 5 = 13 units So, task done in 30 days by 'Ajay' and 'Bijay' = (30/2) × 13 = 195 units Time taken by 'Bijay' to do the remaining work = {(200 - 195)/5} = 1 day So, total time taken = 1 + 30 = 31 days
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 ...
Statements:
Only Sun are Moon.
Only few Sun are Star.
All Star are Gas.
Conclusion:
I. Some Gas are Moon.
...Statements: All bulls are cows.
No cow is ox.
...
Statements:
Some dogs are lions.
All lions are tigers.
All lions are leopards.
No leopard is a monkey.
Conclusions...
Statements:
Some year are day.
Each year is month.
Only day are week.
Conclusions:
I. Some month are week.
II. Some month are year.
III. No year is week
Statement:
Only a few A are C
All A are B
Conclusion:
I. Some C are not B...
Statements:
Only a few A is B
No B is C
Only a few C is D
Some D is E
Conclusions:
I). No A is C
...Statements: All consonants are letters.
All letters are noun.
No noun is pronoun.
Conclusions:I. All nouns are letters.
II. ...
Statements:Some villages are towns.
Some towns are huts.
All huts are rivers.
Some rivers are tents.
Conclusions:I. Some te...
Statements :
Some files are folders.
Some folders are envelopes.
Some envelopes are letters.
Conclusions:
I. Some...