MathematicsAddition and Subtraction (NSTSE (National Level Science Talent Search Examination) Class 2): Questions 56  62 of 90
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Question number: 56
» Mathematics » Addition and Subtraction
Question
Add me to 8 or subtract me from 20. The answer is the same. Who am I?
Choices
Choice (4)  Response  

a.  6 

b.  8 

c.  10 

d.  20 

Question number: 57
» Mathematics » Addition and Subtraction
Question
The number with less digit is:
Choices
Choice (4)  Response  

a.  can’t say 

b.  always smaller 

c.  sometimes greater 

d.  always greater 

Question number: 58
» Mathematics » Addition and Subtraction
Question
The next number in the series:
Choices
Choice (4)  Response  

a.  60 

b.  55 

c.  70 

d.  80 

Question number: 59
» Mathematics » Addition and Subtraction
Question
What must be added to 99 to get 100?
Choices
Choice (4)  Response  

a.  1 

b.  10 

c.  100 

d.  90 

Question number: 60
» Mathematics » Addition and Subtraction
Question
If the smallest one digit number is subtract to a number, we get:
Choices
Choice (4)  Response  

a.  it’s successor 

b.  two digit number 

c.  it’s predecessor 

d.  None of the above 

Question number: 61
» Mathematics » Addition and Subtraction
Question
A number machine takes any number put into it, adds 15, then adds 10, and then subtracts 7. If the number 23 is put into the machine, what number comes out?
Choices
Choice (4)  Response  

a.  41 

b.  38 

c.  25 

d.  20 

Question number: 62
» Mathematics » Addition and Subtraction
Question
The first four figures in a pattern are shown below:
If the pattern continues this way, how many blocks are needed to make 5 steps?
Choices
Choice (4)  Response  

a.  10 

b.  12 

c.  7 

d.  14 
