Multiple Choice QuestionsThe ratio between the vertical angle and a base angle of an isosceles triangle is 4 : 3. The value of any one base angle is
a and b are irrational numbers such that a + b = q is a rational number, then a - b is
always rational
sometimes rational
always irrational
always irrational
The height of a right circular cylinder is twice its radius of the base. If its height be 6 times its radius of the base, then the volume of the cylinder will be 539 cm3 more. Assuming 
 the height of the cylinder is
5 cm
7 cm
9 cm
9 cm
The average age of 40 students of a class is 16 years. If the average age of 24 students is 
 and that of the 15 students is 
 then the age of 40th student is
17
16
16.5
16.5
A contractor has got two orders A and B. On one (A) he spends ₹ 25,000/- and makes a bill of ₹ 30,500/-. On the other (B) he makes a bill keeping a profit of 20%. Which of the two orders is more profitable to him?
B
A
A nor B
A nor B
B.
A
Profit on order A = 30500 - 25000 = ₹5,500/-
Profit on order B =Â 
             
So, order A is more profitable to him
Two circles with centres P and Q touch each other externally. A straight line drawn through the point of contact intersects the circle with centre P at A and the circle with centre Q at B. Then, which of the following is true?
AP = BQ
AP/BQ
AP || BQ
AP || BQ
If 
 and V1 and V2 are the minimum and the maximum values of 
 then 
 is equal to
-36
36
72
72
 with 
, then the value of 
 is
 and 
. Find the measurement of 
Switch
 the value of 
