How Many Prime ministers have conferred with Bharat Ratna upto November 2014 ?
There are three rooms in a Hotel: one single, one double and one for four persons. How many ways are there to house seven persons in these rooms ?
Choose 1 person for the single room & from the remaining choose 2 for the double room & from the remaining choose 4 people for the four person room,
We know that
= = 961 x 961.
A,B and C enter into a partnership in the ratio . After 4 months, A increases his share by 50%. If the total profit at the end of one year be Rs. 21600, then B's share in the profit is :
Given ratio of initial investments = = 105 : 40 : 36.
Let the initial investments be 105x, 40x and 36x.
= 1680x : 480x : 432x = 35 : 10 : 9.
Hence, B's share = = Rs. 4000.
A person takes a loan of Rs. 200 at 5% simple interest. He returns Rs.100 at the end of one year. In order clear his dues at the end of 2 years, he would pay :
Amount to be paid = = Rs. 115.
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