NSTSE (National Science Talent Search Exam Unified Council) Class 7: Questions 262  267 of 1732
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Question number: 262
» Mathematics » Triangle and Properties
Question
Assertion (Ꭺ)
An isosceles triangle is right angled
Reason (Ꭱ)
and
Choices
Choice (4)  Response  

a.  Both Ꭺ and Ꭱ are false 

b.  Ꭺ is false but Ꭱ is true 

c.  Both Ꭺ and Ꭱ are true and Ꭱ is the correct explanation of Ꭺ 

d.  Both Ꭺ and Ꭱ are true but Ꭱ is NOT the correct explanation of Ꭺ 

Question number: 263
» Mathematics » Exponents and Powers
Question
Simplify:
Choices
Choice (4)  Response  

a. 


b. 


c. 


d.  None of the above 

Question number: 264
» Mathematics » Perimeter and Area
Question
If the ratio of circumference of two circles is 16: 81, the ratio of their area is
Choices
Choice (4)  Response  

a.  256: 6561 

b.  4: 9 

c.  16: 81 

d.  81: 16 

Question number: 265
» Mathematics » Exponents and Powers
Question
Which of the following statement is false?
Choices
Choice (4)  Response  

a.  , if n is an odd integer 

b.  For any number a, 

c.  If then n = 2 

d.  All of the above 

Question number: 266
Question
The average height of 8 people is 158 cm. Later it was found that the height measuring tap had shown the height of each person 6 cm more. The correct average height of a person is
Choices
Choice (4)  Response  

a.  152 cm 

b.  158 cm 

c.  172 cm 

d.  164 cm 

Question number: 267
» Mathematics » Congruence of Triangles
Question
If two triangles have their corresponding angles equal, then they are always congruent.
Choices
Choice (4)  Response  

a.  Cannot be determined 

b.  True 

c.  False 

d.  All of the above 
