In a year, Seema earns ₹ 1,50,000 and saves ₹ 50,000. Find the ratio of (a) Money that Seema earns to the money she saves.

In a year, Seema earns ₹ 1,50,000 and saves ₹ 50,000. Find the ratio of (b) Money that she saves to the money she spends.

Rani had ₹ 18.50. She bought one ice-cream for ₹ 11.75. How much money does she have now?

Aruna has only Rs. 1 and Rs. 2 coins with her. If the total number of coins that she has is 50 and the amount of money with her is Rs. 75, then the number of Rs. 1 and Rs. 2 coins are respectively,

A furniture dealer deals in only two items - tables and chairs. He has Rs. 50,000 to invest and has storage pince of at most 60 pieces. A table costs Rs. 2500 and a chair Rs. 500. He estimates thnt from the sale of one table , he can make a profit of Rs. 250 and that from the sale of one chair a profit of Rs. 75. How many tables and chairs he should buy from the available money so as to maximise his total profit assuming that he can self all the items which he buys.

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 hostel charges is fixed and the remaining depends on the number of days one has taken food in the mess. When a student A takes food for 20 days she has to pay Rs. 1,000 as hostel charges whereas a student B, who takes food for 26 days, pays Rs. 1,180 hostel charges. Find the fixed charges and the cost of food per day.

A manufacturer produces three products x, y, z which he sells in two markets. Annual sales are indicated below: {:("Market",,"Products",),(I,"10,000","2,000","18,000"),(II,"6,000","20,000","8,000"):} (a) If unit sale prices of x, y and z are Rs. 2.50, Rs. 1.50 and Rs. 1.00, respectively, find the total revenue in each market with the help of matrix algebra. (b) If the unit costs of the above three commodities are Rs. 2.00, Rs. 1.00 and 50 paise respectively. Find the gross profit.

Two farmers Ramkishan and Gurcharan Singh cultivates only three varieties of rice namely Basmati, Permal and Naura. The sale (in Rupees) of these varieties of rice by both the farmers in the month of September and October are given by the following matrices A and B. A=overset("Septermber Sales (in Rupees)")overset("Basmati Permal Naura")([("10,000","20,000","30,000"),("50,000","30,000","10,000")]){:("Ramkishan"),("Gurcharan Singh"):} B=overset("October Sales (in Rupees)")overset("Basmati Permal Naura")([("5,000","10,000","6000"),("20,000","10,000","10,000")]){:("Ramkishan"),("Gurcharan Singh"):} (i) Find the combined sales in September and October for each farmer in each variety. (ii) Find the decrease in sales from September to October. (iii) If both farmers receive 2% profit on gross sales, compute the profit for each farmer and for each variety sold in October.

A sum of ₹ 20,000 is invested by honey for 2 years at an interest of 8% compunded annually.Find thecoumpound Interest(C.I) and the amount she has to pay at the end of 2 year.