Question

11. For any positive integer n, n(n+1)(n+2) is divisible by
I. 6
ii. 7.
iii. 9
iv. 12
12. A real number when expressed in decimal can be
I. Terminating
ii. Non terminating but recurring
iii. Non terminating and non recurring
iv. All the above
13. Sum of two irrational number is always
I. irrational
ii.rational
iii. Integer
iv. May be rational or irrational
14. If the nth term of an AP is 7n-3 then the 10th term of the AP is
I. 76
ii.73
iii. 67
iv.76
15. The 4th term from the end of the AP 2,5,8,…….,74 is
I. 65
ii.62
iii.68
iv 70
16. The sum of all natural number from 21 to 50 is
I. 210
ii.1275
iii.1065
iv.1165
18 in what ratio is the segment joining the points (-3,2) and (6,1) divided by y axis?
I. 1:3
ii.2:1
iii. 1:2
iv. 3:1
19. The value of k for which (-3,12),(7,6) and (k,9) are collinear is
I. 3
ii. 4
iii. 2
iv. 1
20. Which of the following figure are always similar
I. Two rectangle
ii. Two isosceles triangle
iii. Two square
iv. Two scalene triangle.​

Answer 1

Answer:

13. i

20. iii

19. iii

18. iii

16. iii

15. i

14. iii

12. ii