KVPY (Kishore Vaigyanik Protsahan Yojana) StreamSA (Class 11) Math: Questions 206  210 of 265
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Question number: 206
» Basic Mathematics » Geometry » Triangle and Properties
Question
The number of values of a for which there is an isosceles triangle with sides of length , and is –
Choices
Choice (4)  Response  

a.  1 

b.  0 

c.  2 

d.  3 

Question number: 207
» Trigonometry » Heights and Distances
Question
The angle of elevation of the top of a building from the foot of temple is 45^{0} and the angle of elevation of the top of the temple from the foot of the building is 60^{0}. If the temple is 50 m high, then the height of the building is –
Choices
Choice (4)  Response  

a. 


b. 


c.  47 

d. 


Question number: 208
» Basic Mathematics » Algebra » Solutions to Equations
Question
If a, b, c, d are positive real numbers such that, , then is –
Choices
Choice (4)  Response  

a. 


b. 


c. 


d. 


Question number: 209
» Three Dimensional Geometry » Distance Formula Between Points, Lines & Shapes
Question
If are three points and satisfy the relations, then the locus of the point S is –
Choices
Choice (4)  Response  

a.  Line parallel to y axis 

b.  Circle with centre origin 

c.  Circle passing through origin 

d.  Line parallel to xaxis 

Question number: 210
» Basic Mathematics » Arithmetic » Rates, Speeds and Unitary Method
Question
A ladder 12 cm long is leading against a wall. The bottom of the ladder is pulled along the ground, away from the wall, at the rate of 3 cm/sec. How fast is its height on the wall decreasing when the foot of the ladder is 5 cm away from the wall?
Choices
Choice (4)  Response  

a. 


b. 


c. 


d. 

