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Question 1
If tan
+ cot
= 2, then what is sin
+cos
equal to?
+ cot = 2, then what is sin+cos equal to? Question 2
The shadow of a tower is 15 m when the sun’s altitude is 30°. What is the length of the shadow when the sun’s altitude is 60°?
Question 3
The sum of a number and its square is 20. Then the number is
Question 4
If 
and 
are the roots of the equation 
, then what is the value of 
and are the roots of the equation , then what is the value of Question 5
18 men can earn Rs. 360 in 5 days. How much money will 15 men earn in 9 days?
Question 6
Leela got married 6 years ago. Today her age is 
times her age at the time of her marriage. Her son’s age is 
times her age.
What is the present age of her son?
times her age at the time of her marriage. Her son’s age is times her age. What is the present age of her son?
Question 7
If the surface area of a cube is 13254 cm2, then the length of its diagonal is
Question 8
If the total surface area of a cube is 6 square unit, then what is the volume of the cube?
Question 9
In the figure given above, A and B are end points of diameter of a circle with centre at P, and C is a point on the circumference of the circle such that 
then what is 
then what is Question 10
ABCD is a parallelogram with AB and AD as adjacent sides. If 
A = 60 ° and AB = 2AD, then the diagonal BD will be equal to
A = 60 ° and AB = 2AD, then the diagonal BD will be equal to Question 11
The heights (in cm) of 5 students are 150, 165, 161, 144 and 155. What are the values of mean and median (in cm) respectively?
Question 12
If each of n numbers xi = I (I = 1, 2, 3, …n) is replaced by (I + 1) xi, then the new mean is
Question 13
If 
then what is the value of tan x?
then what is the value of tan x? Question 14
If the linear factors of 
are p and q, then 
is equal to
are p and q, then is equal to Question 15
If the bisectors BI and CI of the angles B and C of a triangle ABC meet at the point I, then what is 
equal to?
equal to? - 374 attempts
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Oct 27CDS & Defence
