KVPY (Kishore Vaigyanik Protsahan Yojana) StreamSA (Class 11) Math: Questions 183  187 of 265
Get 1 year subscription: Access detailed explanations (illustrated with images and videos) to 265 questions. Access all new questions we will add tracking exampattern and syllabus changes. View Sample Explanation or View Features.
Rs. 200.00 or
Question number: 183
» Basic Mathematics » Arithmetic » Ratio and Proportion
Question
A bag contains 50 p, 25 p and 10 p coins in the ratio, amounting to Rs. 117. Find the numbers of coins of each type,
Choices
Choice (4)  Response  

a. 


b. 


c. 


d. 


Question number: 184
» Basic Mathematics » Geometry » Advanced Therorems and Properties
Question
Consider a square PQRS of side 16 and let M, N be the midpoints of PQ, RS respectively. Take a point O on MN and let PO = 7, OR = 11. Then the area of the triangle whose sides are 7,11,16 is –
Choices
Choice (4)  Response  

a.  64 

b.  36 

c.  77 

d.  44 

Question number: 185
» Basic Mathematics » Algebra » Solving Equations
Question
Which of the following can be true if and only if for x, y and z are positive and real?
Choices
Choice (4)  Response  

a. 
AND


b. 


c. 


d.  All a. , b. and c. are correct 

Question number: 186
» Basic Mathematics » Arithmetic » Rates, Speeds and Unitary Method
Question
Two workers A and B are engaged to do a piece of work. Working alone, A takes 12 hours more to complete the work than if both worked together. On the other hand, working alone, B would need 3 hours more to complete the work than if both worked together. How much time would they take to complete the job working together?
Choices
Choice (4)  Response  

a. 


b.  9 hr 

c.  8 hr 

d.  6 hr 

Question number: 187
» Basic Mathematics » Arithmetic » Ratio and Proportion
Question
I carried 500 kg of watermelon in summer by train. In the beginning, the water content was 95%. By the time I reached the destination, the water content had dropped to 92%. The reduction in the weight of the watermelon was
Choices
Choice (4)  Response  

a.  312.5 

b.  150.5 

c.  163 

d.  187.5 
