The number of numbers between 100 and 1000 which are divisible by 7 is

The 6th term in the GP 2, 8, 32, ……………….. is

1 + 1 + 1 + ………….. n terms =

1 + 3 + 6 + 10 + …………………. n terms =

How many two-digit numbers are divisible by 6 ?

If the 2nd term of an AP is 4 and the 6th term is 16, then its 11th term is

Which term of the AP 24, 21, 18,……………. is the first negative ?

If a = 2 and d = 2, then $S_{15}S\_\{15\}$ =

The $n^{th}n^\{th\}$ term of a Geometric Progression is $a_n=a{r}^{n-1}a\_n\; =\; ar^\{n-1\}$ , where ‘ r ‘ represents

Which is the three digit number divisible by 7 ?