Basic Math

Hitung dan nyatakan dalam bentuk pecahan paling sederhana

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CCSS.7.NS.A.1C

• 500 L

• 400 L

• 300 L

• 200 L

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CCSS.3.MD.A.2

Sederhanakan.

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CCSS.7.NS.A.3

A gear wheel having 128 teeth is inmesh with a 48-tooth gear. What is the gear ratio?

• 8 : 3

• 8 : 4

• 9 : 5

• 7 : 5

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CCSS.7.G.A.1

In a competition, prize money of £828 is to be shared among the first three in the ratio 5:3:1

• 450; 281; 97

• 525; 344; 150

• 460; 276; 92

• 55; 32; 11

A team of five people can deliver leaflets to every house in a particular area in four hours. How long will it take a team of three people?

• 6 hours 10 minutes

• 6 hours 20 minutes

• 6 hours 30 minutes

• 6 hours 40 minutes

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CCSS.HSA.CED.A.1

Express 65.3792 correct to 2 decimal places

• 65.37

• 65

• 65.379

• 65.38

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CCSS.5.NBT.A.4

Express 47 minutes as a percentage of 2 hours, correct to 1 decimal place

• 39%

• 39.2%

• 38.5%

• 40.3%

The voltage across a component in an electrical circuit is calculated as 50V using Ohm’s law. When measured, the actual voltage is 50.4V. Calculate, correct to 2 decimal places, the percentage error in the calculation

• 0.65%

• 0.89%

• 0.79%

• 1.89%

Tags

CCSS.6.RP.A.3C