The weekly expenses of a hostel are partly constant and partly vary directly as the number of inmates . If the expenses are rs 2000 when the number of inmates is 120 and rs 1700 when the number is 100 . Find the number of inmates when the expenses are rs 1880 .

The total expenses of a hostel are partly constant and partly vary directly as the number of boarders. When the number of boarders are 120 and 100 the total expenses are ₨.2,000 and ₨.1,700 respectively. What will be the number of boarders when the total expenses is ₨. 1.880?

Total expenses of a boarding house are partly fixed and partly varying linearly with the number of boarders. The average expense per boarder is Rs 700 when there are 25 boarders and Rs 600 when there are 50 boarders. What is the average expense per boarder when there are 100 boarders? (a) Rs 540 (b) Rs 550 (c) Rs 570 (d) Rs 580

A sum of rs 800 is in the form of denomination of rs 10 and rs 20.If the total number of notes are 50, find the number of notes of each type.

A sum of rs800 is in the form of denomination of rs 10 and rs 20.If the total number of notes are 50, find the number of notes of each type.

A sum of Rs. 500 is in the form of denominations of Rs. 5 and Rs. 10. If the total number of notes is 90, find the number of notes of each type.

In a bag, the number of one rupee coins is three times the number of two rupees coins. If the worth of the coins is Rs 120, find the number of 1 rupee coins.

Find the number of shares received when Rs 60,000 was invested in the shares of FV Rs 100 and MV Rs 120

Form the pair of linear equations in the following problems and find their solutions (if they exist) by any algebraic method :- A part of monthly expenses of a family is constant and the remaining varies with the price of wheat. When the cost of wheat is Rs 250 a quintal, the total monthly expenses of the family are Rs 1000 and when it is Rs 240 a quintal, the total monthly expenses are Rs 980. Find the total monthly expenses of the family when the cost of wheat is Rs 350 a quintal