Hai has $100 avialable to buy USB drives to back up data for him business computers. Each USB drive has a price of $8, and Hai will pay a sales tax of 7% of the total prices of the USB drives. What is the maximum number of USB drives Hai can buy?

Lynne has $8.00 to spend on apples and oranges. Apples cost $0.65 each, and oranges cost $0.75 each. If there is no tax on this purchase and she buys 5 apples, what is the maximum number of whole oranges she can buy?

A school has to buy at least 15 chairs within a budgetary ceiling of Rs 2000. A chair with arms costs Rs 160 and one without arms costs Rs 100. What is the maximum number of chairs with arms that the school can buy? (a) 7 (b) 8 (c) 9 (d) 12

Carrie's Chocolate shop and Tamika's Treat Shop both sell cadny in boxes. The table below lists the price (the total amount the customer pays) of each box of candy sold at the shops. For each shop, there is a linear relationship between the price of a box of candies and the number of candies in the box. These are the only numbers of candies that can be purchased at the shops. Jeremy has $ 10.00 in quarters to spend on candy. What is the maximum number of quarters he would have left after paying for a box 25 candies at Tamika's treat Shop? (Note: Each quarter is worth $ 0.25)

Fair-Asia is well known for its queer marketing practices. To lure its customers, out of the blue, it comes up with a very lucrative offer: In that offer it promises to sell and the air tickets, for a one-way trip to Bangkok that originates from Jakrata, in such a manner that the nth customer has to pay exactly Rs.n to buy an air ticket,but each prospective passenger has to bay a separate ticket for oneself. The airline claims that it had sold out all the seats at throm away prices in no time. However, at the last moment one of the customers had returned her ticket and got the full refund from the airline. Consequently, the average income of the airline from this particular flight is exactly rs 100 per passenger. What could be the maximum number of passengers allowed to travel in this airline, if only one passenger occupies each seat and cabin crew or anyone else does not occupy any seat intended for the passengers?

Fair-Asia is well known for its queer marketing practices. To lure its customers, out of the blue, it comes up with a very lucrative offer: In that offer it promises to sell and the air tickets, for a one-way trip to Bangkok that originates from Jakrata, in such a manner that the nth customer has to pay exactly Rs.n to buy an air ticket,but each prospective passenger has to bay a separate ticket for oneself. The airline claims that it had sold out all the seats at throm away prices in no time. However, at the last moment one of the customers had returned her ticket and got the full refund from the airline. Consequently, the average income of the airline from this particular flight is exactly rs 100 per passenger. What's the loss incurred by the airline due to the refund of a ticket?

Fair-Asia is well known for its queer marketing practices. To lure its customers, out of the blue, it comes up with a very lucrative offer: In that offer it promises to sell and the air tickets, for a one-way trip to Bangkok that originates from Jakrata, in such a manner that the nth customer has to pay exactly Rs.n to buy an air ticket,but each prospective passenger has to bay a separate ticket for oneself. The airline claims that it had sold out all the seats at throm away prices in no time. However, at the last moment one of the customers had returned her ticket and got the full refund from the airline. Consequently, the average income of the airline from this particular flight is exactly rs 100 per passenger. What could be the customer numbe, who returned her ticket to airline?

Amar wants to buy a shirt which is listed at Rs. 378. The rate of sales tax is 8% . He requested the shopkeeper to reduce the list price to such an extent that he has to pay not more than Rs.378 including sales tax. What is the minimum reduction needed in the list price of the shirt ?

The catalogue price of a computer set is Rs 42000. The shopkeeper gives a discount of 10% on the listed price. He further gives an off-season discount of 5% on the discounted price. However, sales tax at 8% is charged after successive discounts. Find : (i) the amount of sales tax a customer has to pay (ii) the total price to be paid by the customer for the computer set.

(a) Six lead-acid type of secondary cells each of emf 2.0 V and internal resistacne 0.015Omega are joined in series to provide a supply to a resistance of 8.5 Omega. What are the current drawn from the suply and its terminal voltage ? (b) A secondary cell after long use has an emf of 1.9 V and a large internal resistance of 380 Omega. What maximum current can be drawn from the cell? Could the cell drive tghe starting motor of a car ?

(a) Six lead-acid type of secondary cells, each of emf 2.0 V and internal resistance 0.015 Omega are joined in series to provide a supply to a resistance of 8.5 Omega . What are the currents drawn from the supply, and its terminal voltage? (b) A secondary cell after long use has an emf 1.9 V and a large internal resistance of 380 Omega . What maximum current can be drawn from the cell? Could the cell drive the starting motor of a car?