Question 1 of 50

The average mass of 6 pupils was 40kg. the average mass of the fist 4 pupils was 12kg more than the average mass of the remaining 2 pupils. Find the average mass of the remaining 2 pupils.

The total mass of Kai, Leo and Muthu is 72kg. Kei is twice as heavy as Leo. Muthu is 3kg lighter than Kei. What is the mass of Muthu?

What is the reading indicated on the weighting scale below?

The mass of a container which is $\frac{1}{3}$ filled with flour is 690g. When the container is $\frac{2}{3}$ filled with flour, its mass increases to 1050g. Find the mass of the container.

The table below shows the charges for delivering a parcel.
Jolin paid \$4.50 for the delivery of a parcel. Which one of the following is the possible mass of her parcel?

Gopal packed 10 identical vases into Box A. He packed 8 such vases into Box B, in addition to 5 jugs, each weighing 1.2kg. The total mass of the vases and jugs in Box B was 3.8kg less than the mass of the vases in Box A. What was the total mass of all the vases and jugs?

Meredith used 108.06g of flour to make 6 similar cupcakes. How much flour would she need to make 9 such cupcakes?

The mass of sugar in a bag is $\frac{5}{6 }$. It is repacked into packets of $\frac{2}{9}$ each. What is the maximum number of packets of sugar repacked?

What is 3005g in kg?

Mrs Tan bought 3 ducks weighting 1.3kg, 1.3kg and 2.2kg. What was the average mass of the ducks?

Last week, Ah Seng sold a total of $(8d+ 90)$kg of durians during the weekday. He sold a total of $(6d - 43)$ of durians during the weekend. What is the average mass of durians sold last week?

Express $\frac{4}{25}$kg in grams.

Box A is $\frac{2}{3}$ as heavy as Box B. Box B is $\frac{7}{4}$ as heavy as Box C. Find the ration of the mass of Box C to the mass of Box A.

The mass of Luck is 45kg. The average mass of Nathan and Mary is 7wkg. What is the average mass of the 3 children?

A mango is $\frac{4}{9}$m as heavy as a honeydew $\frac{1}{3}$m of the mass of a honeydew is twice the mass of an apple. Find the ratio of the mass of the mango to the mass of an apple.

The figure below shows a packet of milk on the weighting scale. What is the mass of 2 such packets of milk?

Express 4kg 7g in grams.

The figure below shows three objects on a balance. Object A has a mass of 540g. What is the average mass of the three objects?

John’s mass was 48kg at the beginning of the year. He lost 6kg at the end of the year. What was the percentage decrease in his mass that year?

The difference in mass between two girls is 12kg. if their total mass is 68kg. What is the ratio of the mass of the heavier girl to the mass of the lighter girl?

Jim’s mass is W kg. His mass is kg less then Howard’s. Both of them. Intend to gain an extra 5 kg each in 3 years’ time. What will be their total mass in 3 years’ time?

The mass of box A is 6kg. The total mass of Box B and C is 6kg. What is the average mass of the 3 boxes?

The mass of Parcel A is 9kg. the total mass of Parcel B and Parcel C is 24kg. What is the average mass of the 3 parcels?

The ratio of Ming’s mass to Devi’s mass is 5:6. If Ming’s mass is increased by 5kg and Devi’s mass is decreased by 1kg, then they will have the same mass. What is the Ming’s original mass?

A crate that was $\frac{1}{2}$ filled with cups was 6.9kg. It was 1.8kg heavier than the same crate that was $\frac{1}{3}$ filled with same kind of cups.
(a) What was the mass of the empty crate?
(b) What was the mass of a full crate of cups?

Weibin has 2 pieces of taps with the length as shown below.
(a) Write down the length of the thick tape.
(b) Express as a decimal the difference between their length correct to 2 decimal places.

The mass of a crate of sweet potatoes is 2.06kg. Find the mass of of 70 such of sweet potatoes.

The average mass of 3 boys weighting 34kg, 35kg and x ky id 33kg. what is the value of x?

The average mass of bags A, B and C is 24kg. Bag A is 6kg heavies than Bag B. Bags B and C are of the same mass. Find the mass of Bag A.

Alfred had $\frac{7}{8}$kg of flour. He packed them into smaller packets of $\frac{1}{4}$kg each. What is the mass of the remaining flour? $\frac{1}{8}$ 11. What is the mass of the ball on the weighting scale?

To make purple paint, the ratio of the mass of blue paint to the mass of red paint needed is 5 : 3. How much blue paint is needed if the mass of the purple pain is 1.2kg?

The average mass of Sumi and Leon is 49kg. The average mass of Leon and John is 79kg. Sumi is $\frac{1}{4}$ as heavy as John. Find the Sumei’s mass.

Which of the following is the same as 6080g?

At Good Deal supermarket, potatoes are sold at 85€ per 100g. Viveka paid \$14.45 for some potatoes. Find the mass of potatoes that Viveka bought.

Look at the scale below. Round off the mass shown on the scale to the nearest whole number.

The mass of a sack of potatoes is 5.45kg. Find the mass of 30 such sacks of potatoes.

The mass of a box completely filled with sand is 9kg. If $\frac{1}{3}$ of the sand is poured out, the mass of the box and the remaining sand is 6.1kg. What is the mass of the empty box?

Find the capacity of the Moo Moo Milk in its new packaging.

A box with 68 identical mugs weights 18kg. the same box when filled with 56 identical mugs weights 15.03kg. what is the of the empty box in kilograms?

Which of the following is same as 2080g?

Express 450g as a fraction 5kg.

The total mass of Ali, Baljit and Charlie is thrice that od Dollah’s. Ali’s mass is the same as the combined mass of Baljit and Charlie. If the average mass of the four boys is 47kg. Find Ali’s mass.

Express $\frac{1}{8}$ of 4kg in grams.

The total mass of a mango and a dragon fruit is 4kg. The total mass of the dragon fruit and a watermelon is 10kg. The watermelon is 4 times as heavy as the mango. What is the average mass of the three fruits?

The mass of 2 dictionaries and 3 assessment books is 3.85kg. The mass of 1 dictionary and 2 assessment books is 2.1kg. What is the mass of dictionary and 1 assessment book?

The average mass of 4 boys is 27kg. What is their total mass?

The average mass of Ryan, Sue and Tammy, Was 62kg. Ryan was 15kg heavier than Sue and Sue was 9kg lighter than Tammy. Find the mass of the lightest child?

A packet of sugar weighs 1.5kg. A packet of rice weighs 1.7kg more than a packet of sugar. A shopkeeper has 22 more packets of than rice in his shop. The total mass of sugar and rice in his shop is 22.57kg . How many packets of sugar does the shopkeeper have?

Which one of the following is the most likely mass of an apple?

A box contain 15 identical reams of paper. The total mass of the box with $\frac{1}{5}$ of all the reams of papers is 33.6kg lighter than the box with all the reams of papers. The mass the empty box is $\frac{2}{7}$ of a ream of paper. What is the mass of the empty box?