Mathematics [NSTSE (National Science Talent Search Exam Unified Council) Class 7]: Questions 202  209 of 1128
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Question number: 202
» Mathematics » Comparing Quantities
Question
To make a cup of tea ratio of water to milk is 2: 1. So to make 3 cups of tea the ratio of water to milk is
Choices
Choice (4)  Response  

a.  6: 3  
b.  3: 6  
c.  6: 1  
d.  3: 2: 1 
Question number: 203
» Mathematics » Comparing Quantities
Question
Cost of 15 apples is 360 Rs. The cost of 20 apples is
Choices
Choice (4)  Response  

a.  480 Rs.  
b.  380 Rs.  
c.  520 Rs.  
d.  420 Rs. 
Question number: 204
» Mathematics » Simple Equations
Question
is subtracted from a number and the difference is multiplied by 6, If 28 is added to the product and the sum is divided by 4, the result is equal to 15. Find the number.
Choices
Choice (4)  Response  

a.  6  
b.  3  
c.  8  
d.  2 
Question number: 205
» Mathematics » Comparing Quantities
Question
Cost of 1 book is 18 Rs. The cost of 8 books is
Choices
Choice (4)  Response  

a.  124 Rs.  
b.  240 Rs.  
c.  148 Rs.  
d.  144 Rs. 
Question number: 206
» Mathematics » Comparing Quantities
Question
If of 36 30 % of 120 = then x = ________.
Choices
Choice (4)  Response  

a.  42  
b.  16  
c.  38  
d.  26 
Question number: 207
» Mathematics » Fractions and Decimals
Question
Example of improper fractions is ________.
Choices
Choice (4)  Response  

a. 
 
b. 
 
c. 
 
d. 

Question number: 208
» Mathematics » Simple Equations
Question
In a two digit number, the unit’s digit is 2. If the digits are interchanged, the new number formed is times of old number. Find the number.
Choices
Choice (4)  Response  

a.  36  
b.  72  
c.  63  
d.  27 
Question number: 209
» Mathematics » Simple Equations
Question
If 30 % of 90 % of a number is 540, then the number is
Choices
Choice (4)  Response  

a.  2800  
b.  3600  
c.  3200  
d.  2000 