psat-2

Helpers are needed to prepare for the fete. Each helper can make either 2 large cakes per hour, or 35 small cakes per hour. The kitchen is available for 3 hours and 20 large cakes and 700 small cakes are needed. How many helpers are required?

• 10

• 15

• 20

• 25

• 30

2. After being dropped a certain ball always bounces back to 2/5 of the height of its previous bounce. After the first bounce it reaches a height of 125 inches. How high (in inches) will it reach after its fourth bounce?

• 20

• 15

• 8

• 5

• 3.2

1. Which of the following could be a value of x, in the diagram above?

• 10

• 20

• 40

• 50

• any of the above

12 litres of water are poured into an aquarium of dimensions 50cm length, 30cm breadth, and 40cm height. How high (in cm) will the water rise? (1 litre = 1000cm3)

• 6

• 8

• 10

• 20

• 40

A certain animal in the zoo has consumed 39 pounds of food in six days. If it continues to eat at the same rate, in how many more days will its total consumption be 91 pounds?

• 12

• 11

• 10

• 9

• 8

Six years ago Anita was P times as old as Ben was. If Anita is now 17 years old, how old is Ben now in terms of P?

• 11/P + 6

• P/11 + 6

• 17 - P/6

• 17/P

• 11.5 P

If the radius of the circle with centre O is 7 and the measure of angle AOB is 100, what is the best approximation to the length of arc AB ?

• 9

• 10

• 11

• 12

• 13

A dress on sale in a shop is marked at $D. During the discount sale its price is reduced by 15%. Staff are allowed a further 10% reduction on the discounted price. If a staff member buys the dress what will she have to pay in terms of D ?

• 0.75D

• 0.76D

• 0.765D

• 0.775D

• 0.805D