Lakshmi is a cashier in a bank. She has currency notes of denominations Rs 100, Rs 50 and Rs 10, respectively. The ratio of the number of these notes is 2:3:5. The total cash with Lakshmi is Rs 4,00,000. How many notes of each denomination does she have?

Deveshi has a total of Rs 590 as currency notes in the denominations of Rs 50, Rs 20 and Rs 10. The ratio of the number of Rs 50 notes and Rs 20 notes is 3:5. If she has a total of 25 notes, how many notes of each denomination she has?

I have a total of Rs 300 in coins of denomination Rs 1, Rs 2 and Rs 5. The number of Rs 2 coins is 3 times the number of Rs 5 coins. The total number of coins is 160. How many coins of each denomination are with me?

Bansi has 3 times as many two-rupee coins as he has five-rupee coins. If he has in all a sum of Rs 77, how many coins of each denomination does he have?

In a bag, there are 175 notes of Rs 5 and Rs 10 denominations. If their total value is Rs 1000. Solve it graphically and find number of each type of note.

A manufacture produces two Models of bikes. Model X and Model Y. Model X takes a 6 man hours to make per unit, while Model Y takes 10 man hours per unit. There is a total of 450 man hour available per week handing and marketing costs are Rs.2000 and Rs.1000 per unit of MOdels X and Y respectively. the total funds avilable for these purposes are Rs.80000 per week. Profits per units for Models X and Y are Rs.1000 and Rs.500 respectively. how many bikes of each model should be the manufacture producer so as to yield a maximum profit? find the profit.

Two factories decided to award their employees for three values of (a) adaptable to new techniques (b) careful and alert in difficult situations keeping calm in tense situations. At the rate of Rs, x, Rs, y, and Rs z per person respectivley. The first factory decided to honour respectively 2,4, and 3 employees with a total prize money of Rs. 29000. the second factory decided to honour respectively 5,2 and 3 employees with the prize money of Rs 30500. If the three prizes per person together cost Rs 9500, then solve these equations using matrices.

Two factories decided to award their employees for three values of (a) adaptable to new techniques (b) careful and alert in difficult situations keeping calm in tense situations. At the rate of Rs, x, Rs, y, and Rs z per person respectivley. The first factory decided to honour respectively 2,4, and 3 employees with a total prize money of Rs. 29000. the second factory decided to honour respectively 5,2 and 3 employees with the prize money of Rs 30500. If the three prizes per person together cost Rs 9500, then which values are reflected in the question?

A total amount of Rs 7000 is deposited in three different savings bank accounts with annual interest rats 5%. 8% and 8 (1/2)% respectively. The total annual interest from these three accounts is Rs.550.Equal amount have been deposited in the 5% and 8% savings account. Find the amount deposited in each of the three accounts, with the help of matrices.