Page 13 - 1202 Question Bank Mathematics Form 5

Section C

15. Encik Aman wants to install rectangular tiles for 16. Amran needs some money to expand his business.
his new house floor. The number of tiles needed, T, He decided to borrow money from a bank. It is given
varies inversely as the length, L m and width, W m, that the interest charge on the loan, C, varies directly
of the tiles used. Encik Aman needs 580 pieces of as the amount of loan, L, and the period in year, T
tiles if the tile is 0.5 m in length and 0.3 m in width. for repaying the loan. Amran has to pay total interest
(a) Calculate the number of tiles needed if the RM4 800 to settle his loan of RM20 000 over three
length is 0.4 m and the width is 0.3 m. [2 marks] years.
(b) If the tiles he ordered are in square shape and (a) Calculate the period for Amran to repay the
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the length of the square tile is 0.5 m. The price of loan of RM30 000 if he has to pay total interest
one unit of the tile is RM1.90. How much Encik RM7 200 to the bank. [3 marks]
Aman has to pay for the tiles installation? (b) Amran pay total interest RM7 200 to repay the
[2 marks] loan. If Amran able to repay the loan within
(c) If the area of the tile decreases, what is the 5 year’s time. Find the amount of money that he
change in the number of tiles needed for the borrowed from the bank.
installation? HOTS Analysing [1 mark] Does he increase or decrease the amount of
money he borrowed from the bank? Explain
Answer: your answer. HOTS Analysing [4 marks]
(a)
Answer:
(a)

(b)

(b)

(c)

11
Question 15:
Form an equation to relates T, L and W.
T = k , substitute the value of T, L and W then find the value of constant k. SOS TIP
LW
Substitute the new values of L and W, then find the number of tiles, T.

C01 1202BS Maths F5.indd 11 26/01/2022 3:43 PM