13. Which of the following is not an A.P.?
(a) 1, 0,-1,-2.... (b) 3,4,5,6,...
(c) 2, 4, 8, 16,...
(d) a, 2a, 3a, 4a,..
14.1 +2 +3 +...+ 60 is
(a) 1230
(b) 1330
(c) 1830
(d) 1220
15. If 2x, x-10, 3x - 44 are in AP then the value of x is
(a) 6
(b) 7
(c) 8
(d) 9
(16-25) Fill in the blanks:
16. 3 x 5 x 11 + 3 is a (an) .................... number.
17. The prime factors of q, if 3.2 is expressed in the form P, where p and q are co prime integers,
9
are...........
18. The remainder, when 2x3 + 3x2 - x + 1 is divided by x-1, is.............
19. A quadratic polynomial with sum and product of zeroes as 1 and 2 respectively, is............
20. The solution of the lines represented by 2x - y = 1 and the x + y = -1 is..........
21. The condition for a pair of linear equations to have an infinite no. of solutions is...............
22. A quadratic equation whose roots are 2 and 3 is............
23. The roots of the equation 2x2 - 8x = 0 are...................
24. The value of the discriminant of the quadratic equation x2 - 6x + 8 = 0 is.............
25. The missing term of the A.P.13,-, 3 is
3 is ..............
Answers
Answered by
3
Answer:
c)
Step-by-step explanation:
a)
d)
odd (3)
rational no.
Answered by
0
- Answer:
- c)
- Step-by-step explanation:
- a)
- d)
- odd (3)
- rational no.
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