MATHEMATICS  QUESTIONS

2 MARK

1) If A=then find

2) If A= , then write the (i)Number of elements (ii)Order of the elements

3) 9,13,17,21,25,…check whether the sequence is in A.P?

4) Find the number of terms in the A.P : 3,6,9,12,…..,111.

5) Find first three terms of the sequence :

 3 marks

1) If A={2,-2,3}and B={1,-4}then find AxB.

2) 7,14,21,28,…. Is this sequence forms G.P?

3) Find the value of 1+2+3+….+50

4) Solve :

5) If A=

6) If ,then find the values of x,y,z.

6 MARKS

1. , then find fog and gof & check whether fog=gof.
2. Find the first four terms of the sequence whose nth term is given by
3. Find the sum to n terms

3,7,11,….,upto 40 terms.

4) Find the sum to n terms of the series : 5+55+555+…… .

5) Solve :

6) In the matrix A=

, Write (i) the number of elements

(ii)the order of the matrix

(iii)write the elements