CTS Company Numerical Ability Simple & Compound Interest

A simple interest earned on certain amount is double the money when invested for 15 years.what is the interest rate offered?
a)26.66%
b)12%
c)30%
d) 13.33%

Read Solution (Total 2)

SI=2P
2P=P*15*R/100
by solving
R=13.33%
7 years agoHelpfull: Yes(8) No(1)

SI=P*R*T/100
2P=P*R*15/100
R=13.33%
6 years agoHelpfull: Yes(6) No(2)

CTS Other Question

The population of the town 3 years ago was 'b' and the population of the town for next 3 years fro now will be 'c'.what is the current population of the town i the growth rate is same?
a)square root of bc
b)b square root of c
c)c square root of b
d)b square root of(b/c)
e)square root of b/c The printed price on a book is Rs.400,a bookseller offers a 10% discount on it . If he still earns profit of 12%,then the cost price of the book is?
a)Rs.280
b)Rs.353
c)Rs.360
d)Rs.300