Mathematics (NSTSE (National Science Talent Search Exam Unified Council) Class 4): Questions 682  690 of 1144
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Question number: 682
» Mathematics » Multiples and Factors
Question
The sum of digits is divisible by 9, the number is:
Choices
Choice (4)  Response  

a.  300 

b.  164 

c.  256 

d.  279 

Question number: 683
» Mathematics » Multiples and Factors
Question
The unique number is:
Choices
Choice (4)  Response  

a.  0 

b.  2 

c.  1 

d.  3 

Question number: 684
» Mathematics » Multiples and Factors
Question
41 and 51 are ________ numbers.
Choices
Choice (4)  Response  

a.  Twin prime 

b.  Coprime 

c.  Prime 

d.  Composite 

Question number: 685
» Mathematics » Fractions
Question
Two fractions are equivalent if their cross multiplications are:
Choices
Choice (4)  Response  

a.  Not equal 

b.  0 

c.  1 

d.  Equal 

Question number: 686
» Mathematics » Fractions
Question
Three–sixths of 12 litres ________ litres
Choices
Choice (4)  Response  

a.  4 

b.  2 

c.  8 

d.  6 

Question number: 687
» Mathematics » Multiples and Factors
Question
________ is the smallest prime number.
Choices
Choice (4)  Response  

a.  4 

b.  2 

c.  1 

d.  5 

Question number: 688
» Mathematics » Multiplication and Division
Question
The exact value of euro compared to the Indian rupee changes from day to day. On a given day, Rs. 216 was worth 4 euros. How many euros would Rs. 324 have been worth on that day?
Choices
Choice (4)  Response  

a.  8 

b.  6 

c.  10 

d.  11 

Question number: 689
» Mathematics » Multiplication and Division
Question
Answer is incorrect due to a mistake in one of the digits in the calculation step. The incorrect digit is:
Choices
Choice (4)  Response  

a.  6 

b.  1 

c.  0 

d.  5 

Question number: 690
» Mathematics » Multiples and Factors
Question
A number which when divided by 2, leaves zero as remainder, is ________ number.
Choices
Choice (4)  Response  

a.  Even 

b.  Prime 

c.  Twin prime 

d.  Odd 
