Write the algebraic expression for the given sequence: The sequence of natural numbers ending in 1 or 6.

Write the algebraic expression for the given sequence: Sequence of natural numbers which leave remainder 1 on division by 3.

Write the sequence of even numbers.

Write the sequence of prime numbers.

Write the algebraic expression for each of the sequences below: i) Sequence of odd numbers ii) Sequence of natural numbers which leave remainder 1 on division by 3. iii)The sequence of natural numbers ending in 1. iv)The sequence of natural numbers ending in 1 or 6.

Write the sequence of odd numbers.

Write the algebraic expression of the 17 sequence 17/7, 31/7, 45/7,………

For the sequence of regular polygons starting with an equilateral triangle, write the algebraic expressions for the sequence of the sums of interior angles, the sums of the exterior angles, the measures of an interior angle, and the measures of an exterior angle.

Write the sequence of odd numbers greater than 1.

What is the sum of first 20 natural. numbers? b) Find the sum of .first 20 terms of 4,8 , 12,.... c) If 3 is added to each term in the above sequence, write down the algebraic expression of the new sequence. d) Find the sum of first 20 terms of the new sequence.

Write down the first three terms of the sequence of natural numbers leaving remainder 1 on division by 5. Check whether 510 is a term of above sequence.