Consider the following statements:
1. \(Sin 1^{\circ} > Sin 1\)
2. \(Cos 1^{\circ} < Cos 1\)
Which of the above statements is/are correct?


A) 1 only

B) 2 only

C) Both 1 and 2

D) Neither 1 nor 2

Correct Answer:
B) 2 only


Part of solved CDS Maths(1) questions and answers : Exams >> CDSE >> CDS Maths(1)








Comments

No comments available




Similar Questions
1). If sin x + cosec x = 2, then what is \(sin^{9}x + cosec^{9}x\) equal to ?
A). 2
B). 18
C). 512
D). 1024
-- View Answer
2). If sin x + cos x = p and \( sin^{3}x + cos^{3}x = q\), then what is p^{3} - 3p equal to ?
A). 0
B). -2q
C). 2q
D). 4q
-- View Answer
3). What is the number of pairs of perpendicular planes in cuboid?
A). 4
B). 8
C). 12
D). None of these
-- View Answer
4). How many equilateral triangles can be formed by joining any three vertices of a cube?
A). 0
B). 4
C). 8
D). None of these
-- View Answer
5). For the next two (2) items that follow :
ABCD is a trapezium in which AB is parallel to CD. Let M be the midpoint of BC.
68. Consider the following statements :
1. 'Area of triangle ADM + Area of triangle DCM' is equal to three-fourth of the area of trapezium ABCD, if AB = CD.
2. 'Area of triangle DCM + Area of triangle ABM' is always greater than half of the area of trapezium ABCD.
Which of the above statements is/are correct?
A). 1 only
B). 2 only
C). Both 1 and 2
D). Neither 1 nor 2
-- View Answer


6). Consider the following statements :
1. 'Area of triangle ADM Area of triangle ABM' is always equal to area of triangle DCM, if AB = CD.
2. Half of area of triangle ABM is equal to one-eighth of area of trapezium ABCD. if AB = CD
Which of the above statements is/are correct?
A). 1 only
B). 2 only
C). Both 1 and 2
D). Neither 1 nor 2
-- View Answer
7). ABCD is a parallelogram. P and R are the midpoints of DC and BC respectively. The line PR intersects the diagonal AC at Q. The distance CQ will be equal to
A). \( \Large \frac{AC}{4} \)
B). \( \Large \frac{BD}{3} \)
C). \( \Large \frac{BD}{4} \)
D). \( \Large \frac{AC}{3} \)
-- View Answer
8). Consider the following statements in respect of an equilateral triangle :
1. The altitudes are congruent.
2. The three medians are congruent.
3. The centroid bisects the altitude.
Which of the above statements are correct?
A). 1 and 2 only
B). 2 and 3 only
C). 1 and 3 only
D). 1, 2 and 3
-- View Answer
9). Consider the following : ABC and DEF are triangles in a plane such that AB is parallel to DE, BC is parallel to EF and CA is parallel to FD.
Statement I : If angle ABC is a right angle, then angle DEF is also a right angle. ,
Statement II : Triangles of the type ABC and DEF are always congruent.
Which one of the following is correct in respect of the above statements ?
A). Statement-I and Statement-II are correct and Statement-II is the correct explanation of Statement-I
B). Statement-I and Statement-II are correct and Statement-II in not the correct explanation of Statement-l
C). Statement-l is correct and Statement-II is incorrect
D). Statement I is incorrect and Statement-II is correct
-- View Answer
10). Let the incircle to a triangle ABC touch BC, AC and AB respectively at the points X, Y and Z.
Statement I: If AB > BC, then AB + AZ < BC + XC
Statement H : AZ = AY
Which one of the following is correct in respect of the above statements?
A). Statement-I and Statement-II are correct and Statement-II is the correct explanation of Statement-I
B). Statement-I and Statement-II are correct and Statement-II in not the correct explanation of Statement-l
C). Statement-l is correct and Statement-II is incorrect
D). Statement I is incorrect and Statement-II is correct
-- View Answer