A and B started a partnership business. A's investment was thrice the investment of B and the period of his investment was two times the period of investments of B. If B received Rs 4000 as profit, what is their total profit?  Choose the most appropriate option
A) 27000	B) 25000	C) 29000	D) 28000	E) 26000
Suppose B's investment =x.   Then A's investment =3x   Suppose B's period of investment =y   then A's period of investment =2y   A : B =3x×2y:xy=6:1   Total profit ×1/7=4000   =&gt; Total profit =4000×7   =28000   Answer is 28000.
<result>D</result>
A and B started a partnership business. A's investment was thrice the investment of B and the period of his investment was two times the period of investments of B. If B received Rs 4000 as profit, what is their total profit?