IMO Mathematics Olympiad Class 6: Questions 397  401 of 912
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Question number: 397
» Decimals
Question
Expression of 0.23 in terms of vulgar fraction is
Choices
Choice (4)  Response  

a. 
 
b. 
 
c. 
 
d. 

Question number: 398
» Decimals
Question
The decimal form of is
Choices
Choice (4)  Response  

a.  5.255  
b.  5.000  
c.  5.375  
d.  2.325 
Question number: 399
» Understanding Elementary Shapes
Question
State which of the following statement (s) are true?
(i) We can draw a triangle with sides 3 cm, 4 cm and 7 cm.
(ii) We can draw a triangle with two right angles.
(iii) The exterior angle of a triangle is equal to the sum of the interior opposite angles.
(iv) Two angles which form a linear pair must be supplementary.
Choices
Choice (4)  Response  

a.  (i) and (ii)  
b.  (iii) and (iv)  
c.  (i) and (iv)  
d.  (i) and (iii) 
Question number: 400
» Understanding Elementary Shapes
Question
Which of the following statement (s) is/are true?
Choices
Choice (4)  Response  

a.  A parallelogram in which two adjacent angles are equal is a rectangle.  
b.  A quadrilateral in which both pairs of opposite angles are equal is parallelogram  
c.  In a parallelogram the number of acute angles is zero (or) two.  
d.  All a. , b. and c. are correct 
Question number: 401
» Understanding Elementary Shapes
Question
Find the value of x.
Choices
Choice (4)  Response  

a.  50^{0}  
b.  24.9^{0}  
c.  23^{0}  
d.  35.7^{0} 