KVPY StreamSA (Class 11) Math: Questions 182  185 of 251
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Question number: 182
» Basic Mathematics » Arithmetic » Rates
Question
Mahesh and Joseph are working on an assignment. Mahesh takes 8 hours to type 28 pages on a computer, while Joseph takes 4 hours to type 32 pages. How much time will they take, working together on two different computers to type an assignment 69 pages?
Choices
Choice (4)  Response  

a.  9 hr 

b.  9 hr 25 min 

c.  8 hr 30 min 

d.  10 hr 15 min 

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 
