1361.
A tangent is drawn from a point that is at a distance of 37 cm from center of the circle O, and diameter is 24 cm. The length
(in cm) of the tangent is:
(A)
30
(B)
35
(C)
28.16
(D)
37
1362.
Consider AD is a tangent to a circle of radius 6 cm. AC is a secant meeting the circle at B and CD is a diameter. If AB is 7 cm,
then the value of AC (in cm) is:
(A)
9
(B)
18
(C)
20
(D)
16
1363.
A number is first decreased by 18% and the resulting number is then increased by 25%. What is the overall percentage
change in the original number?
(A)
Decrease by 2.5%
(B)
Increase by 3.5%
(C)
Increase by 2.5%
(D)
Decrease by 3.5%
1364.
PQ is the diameter of a circle with centre O. PT is a tangent touching the circle at P. The secant QT intersects the circle at S.
O and S are joined. If ∠ SOP = 104°, what is the measure (in degrees) of ∠PTQ?
(A)
45
(B)
62
(C)
76
(D)
38
1365.
The average salary of a group of 12 employees in an institution is ₹3,950 per month and that of another group of employees
is ₹1,850. If the average salary of all employees is ₹2,150, then the total number of employees is:
(A)
100
(B)
88
(C)
84
(D)
72
1366.
Study the given bar-graph and answer the question that follows.
The bar-graph represents the number of boys and girls in different sections of class 12.
The average number of girls in each section is:
(A)
42
(B)
43
(C)
37
(D)
40
1367.
PQ and RS are two chords of a circle such that PQ = 12 cm and RS = 20 cm and PQ is parallel to RS. If the distance between
PQ and RS is 4 cm, find the diameter of the circle.
(A)
(B)
(C)
(D)
1368.
If Ramu’s salary is 30% less than Somu’s salary, then by how much percent is Somu’s salary more than Ramu’s salary?
(A)
(B)
(C)
(D)
1369.
What is the value of the following expression?
(A)
(B)
(C)
(D)
1370.
Two cubes have their volumes in the ratio 1 : 125. Find the ratio of their surface areas.
