NSTSE (National Science Talent Search Exam Unified Council) Class 7: Questions 422  426 of 1732
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Question number: 422
» Mathematics » Exponents and Powers
Question
Simplify
Choices
Choice (4)  Response  

a. 


b.  3 

c.  1 

d.  6 

Question number: 423
» Mathematics » Comparing Quantities
Question
A man purchased a bag of rice containing 50 kg for Rs. 150. He sold it at the rate of Rs. 3.25 per kg. Find the profit or less %.
Choices
Choice (4)  Response  

a.  gain 

b.  12 % gain 

c.  loss 

d.  6 % loss 

Question number: 424
» Mathematics » Perimeter and Area
Question
If the radii of two concentric circles are 20 cm and 36 cm respectively, then the area of the circulating ring in sq cm will be
Choices
Choice (4)  Response  

a. 


b. 


c. 


d. 


Question number: 425
» Mathematics » Comparing Quantities
Question
A milkman borrowed Rs. 2000 from two moneylenders. For one loan, he paid 10 % p. a. and for the other, he paid 12 % p. a. The total interest paid after two years was Rs. 500. Calculate the money he borrowed at 12 % interest?
Choices
Choice (4)  Response  

a.  2500 Rs. 

b.  3500 Rs. 

c.  1500 Rs. 

d.  2000 Rs. 

Question number: 426
» Mathematics » Congruence of Triangles
Question
In the figure given below, find .
Choices
Choice (4)  Response  

a. 


b. 


c. 


d.  None of the above 
