self Maths Puzzle

A invested Rs 80000 in a business. After few months B joined him with Rs 72000/ At the end of the year the total profit was divided between them in the ratio 4:3. The number of months after which B joined is

Read Solution (Total 1)

a invest money for 1 year(12 months)
let b invest money for x months
80000*12/72000*x=4/3
40/3x=4/3

12x=120
x=10
so after 2 months b joined a(ans)
12 years agoHelpfull: Yes(5) No(0)

self Other Question

How many two digit number exists ,which is x more than the square of an integer and 2x less than square of its consecutive integer ? Two equal amounts of money are deposited in two banks, each at 15% per annum, simple interest for 3 1/2 years and 5 years. If the difference between their interest is Rs 144, each sum is