Mrs Sharma gives Rs. 35,000 as donation to a school and an orphanage in the ratio 3:4. If the donation given to the orphanage is Rs `10000 xx k`.Then find the value of k.

Rs.x is divided among three persons Mr Vaayu, Mr Jala and Mr Agni in the ratio 3 : 4 : 7 . If the share of Mr Jala is Rs. 5600 , then find the value of x.

A memorial trust donates Rs. 5,00,000 to a school, the interest on which is to be used for awarding 3 scholarships to students obtaining first three positions in the school examination every year. If the donation earns an interest of 12 per cent per annum and the values of the second and third scholarships are Rs. 20,000 and Rs. 15,000 respectively, find out the value of the first scholarship.

The income of A and B are in the ratio 5 : 2 and their expenditures are in the ratio 3 : 1. If each saves Rs 10,000, then what will the sum of their incomes?

Prema decided to donate 15% of her salary to an orphanage. On the day of donation she changed her mind and donated Rs. 1,896 which was 80% of what she had decided earlier. How much is Prerna's salary ?

Fatima donates Rs 2000 to a school,the interest on which is to be used for awarding 5 scholarships of equal value every year.If the donator earns an interest of 10% per annum, find the value of each scholarship.

The ratio of the amounts with Mr Umar and Mr Gumar is 3 : 4 . If Mr Gumar gives Rs. 5 to Mr Umar, then the ratio of the amounts with Uma and Gumar is 4 : 3 . Mr Umar gives Rs. 5 to Mr Gumar. Find the ratio of the amounts with them.

The ratio of the monthly incomes of Mr Anand and Mr Milind is 9 : 10 and the ratio of their monthly savings is 9 : 10 . If the monthly expenditure of Mr Milind is Rs. 15,000, then find the monthly expendicure of Mr Anand (in Rs.).