IMO Mathematics Olympiad (SOF) Class 7: Questions 274  279 of 1012
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Question number: 274
» Practical Geometry  Lines and Angles
Question
In the figure, MNO, TND and SNR are straight lines. Find Y.
Choices
Choice (4)  Response  

a. 


b.  45° 

c. 


d. 


Question number: 275
» Practical Geometry  Lines and Angles
Question
In the figure AB is parallel to NM and AC is straight line . Find the value of x and y.
Choices
Choice (4)  Response  

a. 


b. 


c. 


d. 


Question number: 276
Appeared in Year: 2012
Question
Jasmine and Sonia had 60 phone cards. Jasmine had thrice as many phone cards as Sonia. How many phone cards did jasmine have?
Choices
Choice (4)  Response  

a.  45 

b.  15 

c.  30 

d.  20 

Question number: 277
Question
If a, b, c are reals such that and, find the numerical values of a, b and c.
Choices
Choice (4)  Response  

a.  3, 4 

b.  2,2, 

c.  2, 

d.  2,3, 

Question number: 278
Question
Charmi and Chesti had 777 phone cards. Chesti had twice as many phone cards as Charmi. How many phone cards did Chesti have?
Choices
Choice (4)  Response  

a.  459 

b.  358 

c.  259 

d.  258 

Question number: 279
Question
Rahul and Chirag had 5184 phone cards. Rahul had seven times as many phone cards as Chirag. How many phone cards did Rahul have?
Choices
Choice (4)  Response  

a.  269 

b.  858 

c.  458 

d.  648 
