Consider the sequence `3,6,9,12,...,99` How many terms are there in the given sequence?

Consider the sequence 3,6,9,12,...,99 .Find the variance of the sequence.

Consider the sequence 3,6,9,12,...,99 . Find the mean of the sequence.

Consider arithmetic sequence 180,176,172,........ How many positive terms are there in this sequence?

Consider the sequence 3,6,9,12,...,99 . Find the sum of square of each terms of the given sequence.

Consider the arithmetic sequence -74,-68,-62,…….. How many negative numbers are there in this sequence? - Find the first positive. number in this sequence.

Consider the expansion of (3x-x^3/6)^8 How many terms are there in the expansion?

Consider the numbers between 100 and 300 which leave remainder 2 on division by 3 a) Which is the first number in this sequençe? b) Which is the last number in this sequence? c). How many such numbers are there in this sequence? d) Find the, sum of all numbers in the sequence.

Consider the multiples of 7 in between 100 and 500. How many terms are there in the sequence ?

Consider the arithmetic sequence -46,-42,-38,….., How many terms added from first to get the sum zero?

Consider arithmetic sequence 180,176,172,........ Find the 20th term of this sequence