NSTSE (National Science Talent Search Exam Unified Council) Class 8: Questions 744  751 of 2028
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Question number: 744
Question
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
» Mathematics » Comparing Quantities
Question
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
» Mathematics » Comparing Quantities
Question
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
» Mathematics » Visualizing Solid Shapes
Question
The threedimensional figure formed by rotating a triangle is:
Choices
Choice (4)  Response  

a.  Prism 

b.  Cone 

c.  Quadrilateral 

d.  Square 

Question number: 748
» Mathematics » Comparing Quantities
Question
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% 

Question number: 749
» Mathematics » Playing with Numbers
Question
Which of the following integers has most number of divisors?
Choices
Choice (4)  Response  

a.  264 

b.  213 

c.  33 

d.  103 

Question number: 750
» Mathematics » Playing with Numbers
Question
Which of the following numbers is exactly divisible by 22?
Choices
Choice (4)  Response  

a.  21692 

b.  28281 

c.  37675 

d.  74643 

Question number: 751
Question
Factorization of is:
Choices
Choice (4)  Response  

a. 


b. 


c. 


d. 

