" (i) "3+11+19+,..+803

5 7 11 19 36 67 131

Which term of the A.P. 3, 11, 19, 27,… is 547?

What is the correct ascending order for the given faractions? (A) 3/7, 15/41, 19/35, 7/11 (B) 15/41, 3/7, 19/35, 7/11 (C ) 3/7, 15/41, 7/11, 19/35 (D) 19/35, 7/11, 15/41, 3/7

6897 is divisible by 11 only (c) both 11 and 19 (d) neither 11 nor 19

Divide 3 11/15 div19 (3)/(5)

Write the numerator and denominators of the following fractional numbers : 7/2, 19/3, 11/13, 8/3 .

U = {2, 3, 5, 7, 11, 13, 17, 19, 23}, A = {2} then show the sets U, A and A' by Venn diagram.

Find the range of the following observations 1, 3, 11, 10, 2, 6, 51, 42, 33, 87, 19, 27

The 10^(th) term of the AP 3,11,19,…. Is ……….

Find the 19^th term of an A.P -11, -15,-19,......