IMO Level 1 Mathematics Olympiad (SOF) Class 8: Questions 324  330 of 1030
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Question number: 324
» Quadrilaterals and Practical Geometry
Question
ABCD is a quadrilateral. If its diagonals are perpendicular bisectors of each other, then ABCD is________.
Choices
Choice (4)  Response  

a.  Square 

b.  Parallelogram 

c.  Rectangle 

d.  Rhombus 

Question number: 325
Question
If a number x is 15 % less than another number y and y is 15 % more than 110, then x is equal to________.
Choices
Choice (4)  Response  

a.  107.525 

b.  120 

c.  109.725 

d.  100.25 

Question number: 326
Question
The cost of a vehicle is Rs. 1,20,000. If its value depreciates at the rate of 10 % per annum then total depreciation after 2 years was________.
Choices
Choice (4)  Response  

a.  21100 

b.  21000 

c.  22000 

d.  22800 

Question number: 327
Question
The C. I. on a certain sum for 2 years is Rs. 410 and S. I. is Rs. 400. The rate of interest per annum is________.
Choices
Choice (4)  Response  

a.  4% 

b.  6% 

c.  3% 

d.  5% 

Question number: 328
Question
Ram borrowed Rs. 10,000 at 20 % p. a. compounded half yearly. What amount of money will discharge his debt after years?
Choices
Choice (4)  Response  

a.  915.06 Rs. 

b.  900.5 Rs. 

c.  980 Rs. 

d.  912.5 Rs. 

Question number: 329
» Quadrilaterals and Practical Geometry
Question
A trapezium in which non parallel sides are equal is said to be________.
Choices
Choice (4)  Response  

a.  Equilateral trapezium 

b.  Isosceles trapezium 

c.  Right trapezium 

d.  All of the above 

Question number: 330
» Quadrilaterals and Practical Geometry
Question
Match the following.
ListⅠ (List Of Geometric Shapes)  ListⅡ (Characteristic Of Shapes) 

(A) Square  (i) opposite sides are parallel and congruent 
(B) Parallelogram  (ii) All sides are congruent 
(C) Rectangle  (iii) Opposite sides are congruent 
Choices
Choice (4)  Response  

 
a. 


b. 


c. 


d.  All of the above 
