Everyday Mathematics (IMO Mathematics Olympiad (SOF) Class 8): Questions 23  28 of 100
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Question number: 23
» Everyday Mathematics
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: 24
» Everyday Mathematics
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: 25
» Everyday Mathematics
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: 26
» Everyday Mathematics
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: 27
» Everyday Mathematics
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 

Question number: 28
» Everyday Mathematics
Question
If students of a class of strength 200 are girls, then number of boys equals________.
Choices
Choice (4)  Response  

a.  150 

b.  130 

c.  160 

d.  110 
