alleryStart learning →How many milligrams are there in 1 gram?
- 1000
- 100
- 10
- 10000
Show answer and solution
Correct answer: A. 1000
A milligram is one thousandth of a gram, so 1 g is 1000 mg.
Olympiad (Class 5) Conversion of Units — practice questions — page 2
Explore 61 free Conversion of Units questions in Olympiad (Class 5) Mathematics. Open each question or exercise to read its content, reference answers and available explanation.
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Showing questions 31–60 of 61.
How many milligrams are there in 1 gram?Read the answer and worked solution →A medicine tablet has 3 g 500 mg of powder. How many milligrams is that?Read the answer and worked solution →A bag has 2 kg 300 g of sugar. Then 1 kg 800 g more is added. What is the new mass?Read the answer and worked solution →A tailor has 6 m 40 cm of cloth and uses 2 m 75 cm. How much cloth is left?Read the answer and worked solution →A jug holds 1.5 L of milk. How many glasses of 250 mL can be filled from it?Read the answer and worked solution →How many bottles of 600 mL are needed to hold 3 L of juice exactly?Read the answer and worked solution →A pencil is 15 cm long. If 20 such pencils are placed end to end, how long is the line in metres?Read the answer and worked solution →In a 2 km race, Asha has run 1250 m. How many metres does she still have to run?Read the answer and worked solution →Which of these is the longest distance?Read the answer and worked solution →Which amount is the same as half a litre?Read the answer and worked solution →Meena says 1 km is 100 m. What is the correct number of metres in 1 km?Read the answer and worked solution →A bus travels 60 km in one hour. How far does it go in 30 minutes at the same speed?Read the answer and worked solution →A tap fills 2 L of water every minute. How many millilitres flow out in 30 seconds?Read the answer and worked solution →A 5 m 20 cm rope is cut into 4 equal pieces. What is the length of each piece?Read the answer and worked solution →A mother has 1 kg 250 g of flour and uses 3 packets of 250 g each. How much flour is left?Read the answer and worked solution →A 45-minute class starts at 9:50 am. At what time does it end?Read the answer and worked solution →A train leaves at 22:40 and reaches at 03:10 the next day. How long is the journey?Read the answer and worked solution →A plant grows 2 mm every day. How tall does it grow in 15 days, in centimetres?Read the answer and worked solution →A rectangle is 1.2 m long and 80 cm wide. What is its perimeter in centimetres?Read the answer and worked solution →How many packets of 200 g make 3 kg of sugar?Read the answer and worked solution →The length of the equator is close to 40000000 m. About how many kilometres is that?Read the answer and worked solution →A water vessel has a volume of 2000 cubic centimetres. How many litres of water can it hold?Read the answer and worked solution →A jug holds 2 L of cold water. About what is the mass of the water?Read the answer and worked solution →A bottle holds 1500 cubic centimetres of water. About what is the mass of that water in grams?Read the answer and worked solution →Which one of these is a unit of length, not a unit of time?Read the answer and worked solution →Which natural motion is the basis of the month as a unit of time?Read the answer and worked solution →The day as a unit of time is based on which natural event?Read the answer and worked solution →Half a kilometre plus 250 metres is how many metres?Read the answer and worked solution →A cricket match lasts 3.5 hours. How many hours and minutes is that?Read the answer and worked solution →A cook needs 1.25 L of soup stock. How many millilitres is this?Read the answer and worked solution →
Worked practice questions
A medicine tablet has 3 g 500 mg of powder. How many milligrams is that?
- 3500 mg
- 350 mg
- 35000 mg
- 3050 mg
Show answer and solution
Correct answer: A. 3500 mg
3 g is 3000 mg, and adding 500 mg gives 3500 mg.
A bag has 2 kg 300 g of sugar. Then 1 kg 800 g more is added. What is the new mass?
- 3 kg 500 g
- 4 kg 100 g
- 3 kg 100 g
- 4 kg 500 g
Show answer and solution
Correct answer: B. 4 kg 100 g
300 g + 800 g is 1100 g, which is 1 kg 100 g, and 2 + 1 + 1 gives 4 kg 100 g.
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