Kannur University 2006 MATHEMATICS - Question Paper

PART – A
Four options are suggested to every of the subsequent ques. / incomplete
statements. select the most improper option and write the alphabet of the
chosen ans in the box given. 60 × one = 60
1. According to distributive legal regulations P U ( Q I R ) =
(A) ( P U Q ) U ( P U R ) (B) ( P U Q ) I ( P U R )
(C) ( P I Q ) U ( P I R ) (D) ( P I Q ) I ( P I R ).
2. Out of 1000 students 750 play cricket, 350 play volleyball, 150 play both the games.
Number of students who do not play any of these 2 games is equal to
(A) 200 (B) 500
(C) 250 (D) 50.
3. If A = { a, b, c, d, e } , B = { a, c, e, g, h } and C = { c, f, g } then A I ( B U C ) =
(A) { a, c, e } (B) { g, e }
(C) { b, d } (D) { c } .
4. n th term of a G.P. is
(A) a . r n (B) a . r n + 1
(C) a . r n – one (D) a . r n – 1.
5. If in a sequence T n = n two – one and T n = 35, then the value of n is
(A) six (B) 36
(C) 34 (D) – 6.

6. The six th term of the sequence 1, –
13
,
19
, –
1
27 , …… is
(A)
1
81 (B)
1
243
(C) –
1
81 (D) –
1
243 .
7. If in an H.P. T four =
1
12 , T 10 =
1
42 then the value of d is
(A) six (B) 5
(C) three (D) 4.
8. In the 1st minute Geeta climbs 15 steps of a building. After that she climbs three steps
less than that in the previous minute. The total number of steps climbed by Geeta in
5 minutes is
(A) 75 (B) 105
(C) 45 (D) 50.
9. If A = ?
?
?
? ? ?
1 x – 2
2x – one – 1
is a symmetric matrix, then the value of x is
(A) one (B) 2
(C) three (D) – 1.
10. If 5P r = five !, then the value of r is
(A) one (B) 5
(C) 0 (D) 10.
11. If nP three = 210, then the value of n is
(A) seven (B) 11
(C) nine (D) 10.
81-E (NS) 4
?
12. There are eight girls in a classroom. Sheela is 1 of them. Number of committees that
can be formed of five including Sheela is
(A) 35 (B) 30
(C) 42 (D) 40.
13. The formula to obtain the co-efficient of variation is
(A)
–X
s × 100 (B) s–X
× 100
(C)
S f X
N (D)
S f D 2
N .
14. The avg. of the subsequent scores

Earning:   Approval pending.