Mathematics [NSTSE (National Science Talent Search Exam Unified Council) Class 8]: Questions 743  748 of 1201
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Question number: 743
Question
MCQ▾The bar chart shows the number of ‘Samsung’ and ‘Motorola’ mobiles sold by three dealers, A, B and C. Which of the following statements is true?
Choices
Choice (4)  Response  

a.  Dealer A sold 10 Samsung mobiles less than dealer B  
b.  Dealer B sold 5 Samsung mobiles more than dealer C  
c.  Dealer A sold the less number of Motorola mobiles  
d.  The total number of Motorola mobiles by dealers A and B is 25 
Question number: 744
Question
MCQ▾The sides of a triangle are 6 cm, 8 cm and 12 cm. Its area is:
Choices
Choice (4)  Response  

a. 
 
b. 
 
c. 
 
d.  41 
Question number: 745
Question
MCQ▾A producer combines two qualities of wheat. One coasting Rs. 18.60 per kg and the other costing Rs. 21 per kg in the ratio 3: 4. Find this profit percent if he sells the mixture at the rate of Rs. 25 per kg.
Choices
Choice (4)  Response  

a. 
 
b. 
 
c. 
 
d. 

Question number: 746
Question
MCQ▾A man borrowed Rs. 676 for CI and it amounted to Rs. 1225 in 2 years. The rate of CI per annum is:
Choices
Choice (4)  Response  

a.  %  
b.  35%  
c.  %  
d.  28% 
Question number: 747
Question
MCQ▾The threedimensional figure formed by rotating a triangle is:
Choices
Choice (4)  Response  

a.  Prism  
b.  Cone  
c.  Quadrilateral  
d.  Square 
Question number: 748
Question
MCQ▾If a merchant estimates his profits as 30 % of the selling price, what is his real profit percent.
Choices
Choice (4)  Response  

a. 
 
b.  40.25%  
c.  30%  
d.  35% 