In a bank, principal increases continuously at the rate `5 %` per year. In how many years Rs 1000 double itself?

In a bank, principal increases continuosly at the rate of r% per year. Find the valueof r if Rs. 100 double itself in 10 years. (log_e 2 = 0.6931)

In a bank, principal increases continuosly at the rate of 5% per year. An amount of Rs. 1000 is deposited with this bank. How much will it worth after 10 years (e^(0.5) = 1.648)

The population of a village increases continuously at the rate. proportional to the number of its inhabitants present at any time. If the population of the village was 20000 in 1999 and 25000 in the year 2004, what will be the population of the village in 2009 ?

In Barren lands succession continuous and forms climax vegetation after many years. Which is the community comes next to Pioneer Community?

526.3 mL of 0.5 m HCl is shaken with 0.5g of activated charcoal and filtered. The concentration of the filtrate is reduced to 0.4 in. How many grams of HCl is adsorbed per gram of charcoal.

A man deposited Rs. 10000 in a bank at the rate of 5 % simple interest annually. Find the amount in. 15^ th year since he deposited the amount and also calculate the total amount after 20 years.

The income of a person is Rs. 300000 in the first year and he receives an increase of Rs. 10000 to his income per year for the next 19 yéars. find the total amount, he received in 20 years.

How many days are there in a non-leap year?

Thomas took out a loan of 15000 rupees from a bank which charges 12 % interest, compounded annually. After 2 years, he paid back 10000 rupees. To settle the loan, how much should he pay at the end of three years?