IMO Mathematics Olympiad Class 8: Questions 809  814 of 1029
Get 1 year subscription: Access detailed explanations (illustrated with images and videos) to 1029 questions. Access all new questions we will add tracking exampattern and syllabus changes. View Sample Explanation or View Features.
Rs. 450.00 or
Question number: 809
Question
Find the length of the longest pole that can be placed in a room 11 m long, 6 m broad and 8 m high.
Choices
Choice (4)  Response  

a.  15 meter 

b.  14 meter 

c.  10 meter 

d.  11 meter 

Question number: 810
Question
Mansi gets 3 marks for each correct answer and loses 1 marks for each wrong answer. He attempts 100 problems and obtains 60 marks. The number of problem incorrect is________.
Choices
Choice (4)  Response  

a.  40 

b.  60 

c.  10 

d.  50 

Question number: 811
Appeared in Year: 2012
Question
On the April 1, 2012 Megha’s salary increased from Rs. 10, 000 to Rs. 16, 000. Simultaneously the rate of income tax decreased by 37.5%. So the amount of income tax paid by Megha remains constant, what is the amount of income tax paid by her?
Choices
Choice (4)  Response  

a.  Rs 1000 

b.  Rs 2000 

c.  Rs 3000 

d.  None of the above 

Question number: 812
Question
Two bills of Rs. 6075 and Rs. 8505 respectively are to be paid by cheques of the same amount. What will be the largest possible amount of each cheque?
Choices
Choice (4)  Response  

a.  Rs 1223 

b.  Rs. 1215 

c.  Rs 1340 

d.  None of the above 

Question number: 813
Question
Reena correctly answered 40 % of the questions in a maths test contained exactly 60 questions. How many of the questions did he answer incorrectly?
Choices
Choice (4)  Response  

a.  35 

b.  38 

c.  36 

d.  34 

Question number: 814
Question
Amit wrongly answered 30 % of the questions in a chemistry test contained exactly 100 questions. How many of the questions did he answer correctly?
Choices
Choice (4)  Response  

a.  50 

b.  70 

c.  60 

d.  40 
