Arithmetic Prog...

If 100 times the $$100^{\mathrm{t}\mathrm{h}}$$ term of an AP with non zero common difference equals the 50 times its $$50^{\mathrm{t}\mathrm{h}}$$ term, then the $$150^{\mathrm{t}\mathrm{h}}$$ term of this AP is:

Sum of first $$15$$ terms of $$2 + 5 + 8 + ...$$ is?

The list of numbers $$10, 6, 2, -2,\cdots$$ is

What is the sum of all natural numbers from 1 to 100?

The common difference of the AP $$\dfrac{1}{P}, \dfrac{1-P}{P}, \dfrac{1-2 P}{P}$$, .......... is:

If the first term of an A.P. is  $$-1$$ and common difference is $$-3$$, then its $$12^{th}$$ term is

Calculate $$10^{th}$$ term of an AP:  $$4, 6, 8, ........ $$

Write the sum of  first five terms of the following Arithmetic Progressions where, the common difference $$d$$ and the first term $$a$$ are given, 

A property valued at Rs. 30000 will depreciate Rs. 1380 the first year, Rs. 1340 the second year, Rs. 1300 the third year, and so on. What will the depreciation during the eight year?

Write the sum of  first five terms of the following Arithmetic Progressions where, the common difference $$d$$ and the first term $$a$$ are given: