Math Skills Challenge for JHS

A jacket costs ₱1,200. It is on sale for 25% off. How much is the discount?

• ₱250

• ₱275

• ₱325

• ₱300

The ratio of boys to girls in a class is 3:5. If there are 24 boys, how many girls are there?

• 35

• 40

• 45

• 48

If 5 notebooks cost ₱150, how much will 8 notebooks cost?

• 220

• 240

• 230

• 250

A rectangular garden is 10 m long and 6 m wide. What is its area?

• 64 sq. m

• 60 sq. m

• 70 sq. m

• 72 sq. m

A car travels 60 km/h for 3 hours. How far did it travel?

• 150 km

• 180 km

• 160 km

• 170 km

A box contains 4 red balls and 6 blue balls. What is the probability of picking a red ball?

• 3/5

• 2/5

• 1/2

• 2/3

If a bacteria doubles every hour, how many bacteria will there be after 3 hours if it started with 5?

• 20

• 40

• 30

• 35

The price of rice increased from ₱40 to ₱50 per kilo. What is the percentage increase?

• 20%

• 25%

• 22%

• 30%

Find the median of the numbers: 4, 8, 6, 10, 12.

• 6

• 8

• 10

• 4

Find the mode: 3, 5, 7, 5, 9, 5.

• 3

• 5

• 7

• 9