Question

2. The line represented by the equation 2x – 3y = 6 crosses the y-axis at
(a) (2,3)
(6) (0,-3)
(c) (0,-2)
(d) (3,0)
3. In January-2012, the cost of petrol in Mysore was 55 per litre. Its price raised 2 every month.
How much a person need to spend to travel 60 km in December-2012, if his vehicle's efficiency is
15 km/litre ?
(a) 316
(6) 109
(c) 1025
(d) 308
4. Area of a sector of angle p (in degrees) of a circle with radius R is
(a) P x2R (b) P_ XTR2
(c) p _ x 2TR
180
180
(d)
x 2TR2
5. In the figure, all the line segments are tangents to the two circles.
If FC = 4 cm, FG = 1 cm, AF = 3 cm, and BG = 3 cm.
Then perimeter of AABC is
(a) 9 cm
(b) 18 cm
(c) 10 cm
(d) Cannot be calculated
6. If the sum of n terms of an AP be 3n2 + 5n, then which of its terms is 164 ?
(a) 26th
(b) 27th
(c) 28th
(d) None of these
7. The perimeters of two similar triangles ABC and LMN are 60 cm and 48 cm respectively.
If LM = 8 cm, length of AB is
(a) 10 cm
(b) 8 cm
(c) 5 cm
(d) 6 cm
8. The 6th term of an AP is 25 more than the first term. Then the common difference is
(a) 5
(b) 6
(c) 7
(d) 8
II. Answer the following questions
1 x 8 = 8
9. A chord is perpendicular to the tangent of a circle. Is it necessary that the chord should be
diameter ? Why?
10.
Find the 10th term of the AP :2, 7, 12,...
11. In the figure, ABCD is trapezium with AB || CD and DC = 2AB.
If area of AAEB = x2 sq.cm. What is the area of ADEC?.
12. Write the formula to find sum of first (n + 1) positive integers.​

Answer 1

Answer:

2. (0,-2)

6. 27th term

8. 5

the solutions are attached .