Mathematics Form 1

The common factors of p and q are 1, 2, 3 and 6. Find the values of p and q.

• p = 6, q = 14
• p = 6, q = 14
• p = 8, q = 16
• p = 12, q = 18

The lowest common multiple of n and 6 is 72. Find the value of n.

• 6
• 72
• 66
• 12

Which of the following statements is true?

• Number one is a prime number.
• The lowest common multiples (LCM) of 6 and 9 is 12.
• The highest common factor (HCF) of 8 and 16 is 6.
• 12 is the common factor of 36 and 144.

Puan Syahidah has 36 rulers, 48 pens and 72 pencils. She wishes to give these stationery as presents to n students who get the highest marks in her class with condition that each student will get the same number of rulers, pens and pencils. Calculate the maximum value of n. Hence, state the number of rulers, pens and pencils which will be received by each student?

• n=12, rulers=3; pens=4; pencils=6
• n=3, rulers=2; pens=2; pencils=3
• n=2, rulers=6; pens=4; pencils=3
• n=12, rulers=2; pens=2; pencils=3

In a supermarket, blue pens are sold in a packet of 8 pens and black pens are sold in a packet of 6 pens. Punitha wants to buy the same number of blue pens and black pens. What are the minimum number of packets of blue pens and black pens she needs to buy?

• blue pens=4 packets; black pens=3 packets
• blue pens=24 packets; black pens=24 packets
• blue pens=3 packets; black pens=4 packets
• blue pens=24 pens; black pens=24 pens

The following numbers are perfect square except

• 49
• 101
• 256
• 289

A piece of wire of length 48 cm is used to make a square frame. Calculate the area, in cm², of the square.

• 12
• 48
• 60
• 144

The area of a square shaped orchard is 81 m². Find the perimeter, in m, of the orchard.

• 9
• 18
• 20.25
• 36

Solve.

• 28
• 44
• 56
• 62

The volume of a cube is 15625 cm³. Calculate the total surface area, in cm², of the cube.

• 25
• 625
• 5208
• 10416