IMO Level 1 Mathematics Olympiad (SOF) Class 10: Questions 521  525 of 968
Access detailed explanations (illustrated with images and videos) to 968 questions. Access all new questions we will add tracking exampattern and syllabus changes. Unlimited Access for Unlimited Time! View Sample Explanation or View Features.
Rs. 450.00 or
How to register?
Question number: 521
Question
The Gurgaon office of Microsoft has 1500 executives. Of these 900 subscribe to the Hindustan Times and 750 subscribe to the Hindu. 150 subscribe to both Hindustan Times and the Hindu. If an executive is picked at random, what is the probability that he has subscribed to Hindustan Times?
Choices
Choice (4)  Response  

a. 
 
b. 
 
c. 
 
d. 

Question number: 522
Question
The difference in C. I and S. I for 2 years on a sum of money is Rs. 160. If the S. I for 2 years be Rs. 2880, the rate percent is ________
Choices
Choice (4)  Response  

a. 
 
b. 
 
c. 
 
d. 

Question number: 523
» Pair of Linear Equations in Two Variables
Question
f (x) is a fifth degree polynomial. It is given that f (x) + 1 in divisible by and is divisible by . Find f (x).
Choices
Choice (4)  Response  

a. 
 
b. 
 
c. 
 
d. 

Question number: 524
Question
While selling a watch, a shopkeeper gives a discount of . If he gives a discount of , he earns Rs. 30 less as profit. The marked price of the watch is ________
Choices
Choice (4)  Response  

a.  Rs. 1600  
b.  Rs. 1480  
c.  Rs. 1500  
d.  Rs. 1750 
Question number: 525
» Triangle, Circle & Constructions
Question
AB is a line segment is a point on AB. ACPQ and CBRS are squares drawn on the same side AB,
Choices
Choice (4)  Response  

a.  P is the orthocenter of the triangle APB.  
b.  M is the orthocenter of the triangle APB.  
c.  C is the orthocenter of the triangle APB.  
d.  S is the orthocenter of the triangle APB. 