NSTSE (National Science Talent Search Exam Unified Council) Class 7: Questions 11  19 of 1732
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Question number: 11
» Mathematics » Fractions and Decimals
Question
The product of a fractional number and its multiplicative inverse is
Choices
Choice (4)  Response  

a.  0 

b.  1 

c.  Number itself 

d.  None of the above 

Question number: 12
» Mathematics » Simple Equations
Question
8 is added to a number and the sum is multiplied by 2. If 13 is subtracted from the product and the difference is divided by 3, the result is equal to 36. Find the number.
Choices
Choice (4)  Response  

a.  31 

b.  39 

c.  35 

d.  45 

Question number: 13
» Mathematics » Simple Equations
Question
Two sums of money are in the ratio 5: 7. If the second sum is Rs. 56, then first sum is
Choices
Choice (4)  Response  

a.  42 Rs. 

b.  50 Rs. 

c.  40 Rs. 

d.  35 Rs. 

Question number: 14
» Mathematics » Simple Equations
Question
The solution of is
Choices
Choice (4)  Response  

a.  23 

b.   57 

c.   65 

d.  2 

Question number: 15
» Mathematics » Simple Equations
Question
The average of 12,13,14,15 and x is 14. The value of x is
Choices
Choice (4)  Response  

a.  17 

b.  13 

c.  16 

d.  15 

Question number: 16
» Mathematics » Fractions and Decimals
Question
Fractions which have a common denominator are called ________ fractions.
Choices
Choice (4)  Response  

a.  Improper 

b.  Unlike 

c.  Proper 

d.  Like 

Question number: 17
» Mathematics » Simple Equations
Question
A student has to secure 30 % marks to pass. He got 120 marks and failed by 60 marks. Find the maximum marks.
Choices
Choice (4)  Response  

a.  500 

b.  350 

c.  650 

d.  600 

Question number: 18
» Mathematics » Fractions and Decimals
Question
is
Choices
Choice (4)  Response  

a.  45.6 

b.  4.56 

c.  0.00456 

d.  456 

Question number: 19
» Mathematics » Fractions and Decimals
Question
of a week = ________ days.
Choices
Choice (4)  Response  

a.  3 

b.  21 

c.  13 

d.  30 
