Math, asked by pcprafullanayak, 1 year ago




2. What is the midpoint of a line with endpoints (–3, 4) and (10, –5)?

(a) (–13, –9) (b) (–6.5, –4.5) (c) (3.5, –0.5) (d) none of these

3. If A + B = 900

, cot B = 3

4

then tanA is equal to;

(a) 3

4

(b) 4

3

(c) 1

4

(d) 1

3

4. If the ratio of the height of a tower and the length of its shadow is 3 : 1, what is the angle of

elevation of the Sun?

(a) 300

(b) 600

(c) 450

(d) none of these

5. The value of k for which the system of equations kx – y = 2 and 6x – 2y = 3 has a unique

solution is

(a) k = – 3 (b) k  – 3 (c) k = 0 (d) k  0

6. The value of k for which x = –2 is a root of the quadratic equation kx2

+ x – 6 = 0

(a) –1 (b) –2 (c) 2 (d) –

3

2

7. Which term of the AP 4, 9, 14, 19, ….. is 109?

(a) 14th (b) 18th (c) 22nd (d) 16th

8. The 4th term of an AP is 14 and its 12th term is 70. What is its first term?

(a) –10 (b) –7 (c) 7 (d) 10

9. A quadratic polynomial whose zeroes are 1 and –3 is

(a) x2

– 2x – 3 (b) x2

+ 2x – 3 (c) x2

– 2x + 3 (d) none of the above.

10. The HCF of two numbers is 23 and their LCM is 1449. If one of the numbers is 161, then the

other number is

(a) 23 (b) 207 (c) 1449 (d) none of these​

Answers

Answered by villanrana
2

Answer:

a

b

c

d

d

c

a

b answer hai jao mila ko thoka mara h bas

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