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Question 1
If 
, then what is 
equal to?
, then what is equal to? Question 2
If 
be an identity, then the value of b is
be an identity, then the value of b isQuestion 3
Consider the following in respect of the equation 
1). y = 1 if x > 1
2). y = -1 if x < 1
3). y exists for all values of x
Which of the above statements is/are correct?
1). y = 1 if x > 1
2). y = -1 if x < 1
3). y exists for all values of x
Which of the above statements is/are correct?
Question 4
Find the value of (cosecθ2-sec2θ )/ (cosec2θ+sec2θ) if tanθ = 1/√10
Question 5
if 
then which one of the following is correct ?
then which one of the following is correct ?Question 6
If cos 
and 
α & β lies between 0 and 
then the value of tan 
is
Question 7
The average age of eight teachers in a school is 40 years. A teacher among them died at the age of 55 years whereas another teacher whose age was 39 years joins them. The average age (in years) of the teachers in the school now is:
Question 8
A wall clock which gains uniformly is 2 min slow at noon on Sunday and is 4 min 48 s fast at 2 pm on the following Sunday. When did it show the correct time?
Question 9
The area of a trapezium is 336 cm2. If its parallel sides are in the ratio 5:7 and the perpendicular distance between them is 14 cm, then the smaller of the parallel sides is
Question 10
The perimeter of a rectangle and an equilateral triangle are same. Also, length of the rectangle is equal to the side of the triangle. The ratio of the areas of the rectangle and the equilateral triangle is how much?
Question 11
In an isosceles triangle, the sum of equal angles is five time the unequal angle, then each equal angle is
Question 12
The three sides of a triangle are 10 , 100 and 
. Which one of the following is correct ?
. Which one of the following is correct ?Question 13
If PA and PB are two tangents to a circle with centre O such that 
Then, 
Then, Question 14
Consider the following statements in respect of histogram:
1) Histogram is an equivalent graphic representation of the frequency distribution.
2) Histogram is suitable for continuous random variables, where the total frequency of an interval is evenly distributed over the interval.
Which of the statements given above is/are correct?
1) Histogram is an equivalent graphic representation of the frequency distribution.
2) Histogram is suitable for continuous random variables, where the total frequency of an interval is evenly distributed over the interval.
Which of the statements given above is/are correct?
Question 15
Which one of the following can be obtained from a histogram?
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Oct 27CDS & Defence
