Everyday Mathematics (IMO Mathematics Olympiad Class 9): Questions 38  42 of 99
Get 1 year subscription: Access detailed explanations (illustrated with images and videos) to 919 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: 38
» Everyday Mathematics
Question
In samayra’s opinion, her weight is greater than 40 kg but less than 47 kg. Her brother does not agree with Samayra and he thinks that Samayra’s weight is greater than 35 kg but less than 45 kg. Her mother’s view is that his weight cannot be greater than 43 kg. If all of them are correct in their estimations, what is the average of different probable weights of Samayra?
Choices
Choice (4)  Response  

a.  32 kg 

b.  62 kg 

c.  52 kg 

d.  42 kg 

Question number: 39
» Everyday Mathematics
Question
If 100 men can do a job in 80 days, in how many days will 120 men do it in ________.
Choices
Choice (4)  Response  

a.  69 days 

b.  67 days 

c.  65 days 

d.  63 days 

Question number: 40
» Everyday Mathematics
Question
The compound interest on Rs. 80000 at per annum for 9 months, compound quarterly is ________
Choices
Choice (4)  Response  

a.  Rs. 15610 

b.  Rs. 12610 

c.  Rs. 14610 

d.  Rs. 13610 

Question number: 41
» Everyday Mathematics
Question
A man rows downstream 30 km and upstream 18 km, taking 5 hours each time. The velocity of current is ________
Choices
Choice (4)  Response  

a.  6 km/hr 

b.  1.2 km/hr 

c.  3.6 km/hr 

d.  2.4 km/hr 

Question number: 42
» Everyday Mathematics
Question
Sumer Singh purchased 100 reams of papers at Rs. 50 per ream. He spent Rs. 250 on transportation, paid octroi at the rate of 30 paise per ream and paid Rs. 60 to the coolie. If he wants to have a gain of , what must be the selling price per ream?
Choices
Choice (4)  Response  

a.  Rs. 58.74 

b.  Rs. 79.45 

c.  Rs. 86.65 

d.  Rs. 90.64 
