Question
A copper block of mass 3 kg is heated in a furnace to a
temperature of 450°C and then placed on a large ice block. Find the maximum amount of ice that can melt? (specific heat of copper = 0.39 Jg-1 K-1 , heat of fusion of water = 335 Jg-1 K-1)Solution
The correct answer is B
In the question below there are three statements followed by three conclusions I, II and III. You have to take the four given statements to be true eve...
Read the given statements and conclusions carefully. Assuming that the information given in the statements is true, even if it appears to be at varian...
Statements: Some pins are mirrors. Â
All mirrors are boxes.
Conclusions:I. Some boxes are pins.Â
 II. Some boxes are mirrors.
Statements:Some pastries are cakes.
No cake is a pudding.
All puddings are sweets.
Conclusions:I. Some sweets are not cakes.
In the questions given below, there are three statements followed by three conclusions I, II and III. You have to take the three given statements to be...
Statements:
All tomatoes are potatoes.
All potatoes are onions.
Conclusions:
I. Some potatoes are tomatoes.
II. All tomatoes are onions.
Statements:
Some Traditions are Creeds.
All Creeds are Cultures.
A few Cultures are Castes.
No Value is a Caste.
Conc...
Statements: Some papers are copies.
No copy is a diary.
Some diary are cardboard.
Conclusions:I. No diary is papers.
II....
Statement:
I) Some pink are red
II) Some red are green
III) All green are yellow
IV) No yellow is blue
Conclusion:
Statement : All times are distances.
All distances are trains.
All trains are averages.
No average is speed.
Conclusion:<...
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