## 41. A piece of equipment cost a certain factory 6,00,000. If it depreciates in value, 15% the first year, 13.5% the next year, 12% the third year, and so on, what will be its value at the end of 10 years, all percentages applying to the original cost?

## 42. What is the sum of the following series? -64, -66, -68, ......, -100

## 43. What is the sum of all positive integers up to 1000, which are divisible by 5 and are not divisible by 2?

## 44. If the sum of n terms of an A.P. is 3n^{2} + 5n then which of its terms is 164 ?

^{2}+ 5n then which of its terms is 164 ?

## 45. The first and last term of an A.P. are a and l respectively. If S is the sum of all the terms of the A.P. and the common difference is given by $$\frac{{{l^2} - {a^2}}}{{k - \left( {l + a} \right)}}$$ then k = ?

## Read More Section(Progressions)

Each Section contains maximum **70 questions**. To get more questions visit other sections.