Question
If cos 2A = 17, then find cos
ASolution
We know, cos 2X = 2cos² X − 1 So, 2cos² A − 1 = 17 Or, 2cos² A = 18 Or, cos² A = 9 Or, cos A = 3
Three statements are given, followed by two conclusions numbered I and II. Assuming the statements to be true, even if they seem to be at variance with ...
Statement :
Only a few Asus is HTC
Some HTC is Acer
All Acer is Samsung
Conclusion:
I. Some HTC is Samsung
I n each question three statements followed by three conclusions numbered I, II and III have been given. You have to take the given statements to be tru...
Statements:
Only a few Beautiful is Intelligent.
Only a few Smart is Beautiful.
No Smart is Honest.
Conclusion:
I. No...
In the question below, three statements are given followed by the conclusions. You have to take the given statements to be true even if they seem to be...
Statements:
All Bottles are Glasses.
All Glasses are Bowls.
Some Cups are Bowls.
Conclusions:
I. Some Cups are Glasse...
Statements:
Some couliflower are cabbage.
Some cabbage are asparagus.
Some asparagus are pumpkin.
Conclusions:
I...
Statement: All fruits are vegetables
                             Some vegetables are potatoes
    ...
Statement:Â
At-most some apple are mango.
Only a few grapes are apple.
Some grapes are mango.
No grapes are banana.
<...Statements:
Only a few Apple is Banana.
No Banana is Grapes.
Only a few Grapes is Mango.
All Mango is Papaya.
Conc...
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