time value of money

Question 1

simple interest =

Answer 1

P.i.t

Question 2

Accumulated value A =

Answer 2

P + SI

Question 3

A = p(

Answer 3

A = P(1 + it)

Question 4

CI =

Answer 4

CI = P[(1+i)power n - 1]

Question 5

P =

Answer 5

CI/ [(1+ i)power n] -1

Question 6

P =

Answer 6

CI/ [(1+ i)power n] -1

Question 7

E =

Answer 7

E= [(1-i)power n ] -1

Question 8

P = for finding difference

Answer 8

P = d x 100square/ r square

Question 9

If r is the simple rate of interest, amount will get double in how many no. of years =

Answer 9

= 100/r

Question 10

If r is the simple rate of interest, amount will get triple in how many no. of years =

Answer 10

= 200/r

Question 11

If r is the compound rate of interest, amount will get double in how many no. of year

Answer 11

= 72/r

Question 12

If r is the compound rate of interest, amount will get tripe in how many no. of years =

Answer 12

= 114/r

Question 13

If difference between SI & CI is given for 3 yrs

Answer 13

P = d x 100cube/ r square (r + 300)

Question 14

If a sum of deposited in a bank becomes A1 in t1 years and A2 in t2 years. Then the amount deposited initially will be

Answer 14

A2 x t1 - t2 x A1 / t1 - t2

Question 15

If a sum of money becomes n times in t years, then it will become m times in how many no. of years

Answer 15

(m-1/n-1) x t years