NSTSE (National Science Talent Search Exam Unified Council) Class 7: Questions 83  89 of 1732
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Question number: 83
» Mathematics » Comparing Quantities
Question
The condition for two ratios to be equal is
Choices
Choice (4)  Response  

a.  Product of means is equal to antecedents 

b.  Product of means is equal to product of extremes 

c.  Product of extremes is equal to consequent 

d.  Antecedents are equal to consequent 

Question number: 84
» Mathematics » Fractions and Decimals
Question
Three – half of 18 liters = ________ liters.
Choices
Choice (4)  Response  

a.  18 

b.  3 

c.  9 

d.  27 

Question number: 85
» Mathematics » Simple Equations
Question
The four even consecutive integers whose sum is 180 are
Choices
Choice (4)  Response  

a.  46,48,36,38 

b.  36,38,42,44 

c.  38,42,46,48 

d.  42,44,46,48 

Question number: 86
» Mathematics » Simple Equations
Question
Rs. 4200 are distributed among A, B and C in the ratio 8: 7: 6. The difference between the shares of A and C is
Choices
Choice (4)  Response  

a.  600 Rs. 

b.  400 Rs. 

c.  320 Rs. 

d.  580 Rs. 

Question number: 87
» Mathematics » Comparing Quantities
Question
In a school the total numbers of students are 4200 out of which 2000 are boys. Remaining are girls. Ratio of girls to boys is
Choices
Choice (4)  Response  

a.  11: 13 

b.  10: 11 

c.  11: 10 

d.  13: 11 

Question number: 88
» Mathematics » Simple Equations
Question
The sum of 4 consecutive integers is 70. Then the greatest among them is
Choices
Choice (4)  Response  

a.  19 

b.  26 

c.  17 

d.  13 

Question number: 89
» Mathematics » Fractions and Decimals
Question
A shopkeeper sold 16.120 kg of sugar on a day. On the next day he sold 24.150 kg of sugar. On the third day he sold 45.50 kg of sugar. How much of sugar in all did the shopkeeper sell?
Choices
Choice (4)  Response  

a.  85.75 kg 

b.  86.74 kg 

c.  85.77 kg 

d.  84.77 kg 
