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  1. QID How many hundreds are there in 845 900?





  2. QID In the figure not drawn to scale, LMOP is a rhombus and PON is a straight line. Find `/_ LOP` .





  3. QID The difference between 2 numbers is 8. The average of the two numbers is 37. What is the bigger number?





  4. QID The figure is made up of 25 squares of side 2 cm. What fraction of the figure is unshaded?





  5. QID The ratio of the number of twenty-cent coins to the number of fifty-cent coins in a box was 4 : 3. Six fifty-cent coins were taken out and exchanged for twenty-cent coins. These new twenty-cent coins were then put back into the box. The ratio of the number of twenty-cent coins to the number of fifty-cent coins became 13 :4. How many twenty-cent coins were there in the box at first?





  6. QID The number of students in a day care centre increased from 120 in February to 276 in May. By what percentage was the enrolment increased?





  7. QID The figure below is a right-angled triangle. Find `/_ DAC` .





  8. QID How many hundredths are there in 0.8?





  9. QID There were 324 envelopes in a box. The numbers of red, blue and yellow envelopes were in the ratio 4 : 3 : 2 respectively.
    Later, Pauline put a total of 173 red, blue and yellow enveloped into the box. As a result, the number of red envelopes increased by 25% and the number of blue envelopes increased by 100%.
    What was the percentage increase in the number of yellow envelopes?
    (Round off your answer to the nearest whole number)





  10. QID A square cardbox has an area of `121 cm^2`. Find the ratio of its side to its perimeter.





  11. QID A survey was conducted on a certain number of children on the books they like to read the most. The table below shows their responses. Study the table carefully and answer the question that follows.

    Title of books

    No. of children

    Harry Porter, Sorcerer and the Stone

    36

    Lord of the Rings, The Twin Temples

    48

    Star Wars, The Return of Yoda

    72

    Shrek 3

    40


    What fraction of the children like to read Shrek 3?





  12. QID What percentage of the given shapes is shaded?





  13. QID Find the length of wire needed to construct a cuboid 60 cm by 40 cm by 20 cm.





  14. QID Mr Chin shared $130 among his three children. The first child received $m and the second child received $30 more than the first child. How much money did the third child receive?





  15. QID Three pupils, A, B and C, worked together to paint a mural. If the painting was done by Pupil A only, the time needed to complete the task is 6 hours. If the painting was done by Pupil B only, the time needed for completion is 8 hours. If the painting was done by Pupil C only, the time needed is 12 hours. What is the total time taken for the three pupils to complete the mural altogether? (Leave your answer in its simplest form)





  16. QID The graph below shows the number of tourists who visited the esplanade from January to June. What was the average number of tourists who visited the Esplanade during the 6 months?






  17. QID Madeline uses 25 litres of water and 15 litres of lemon juice to make lemonade. What percentage of the lemonade is the lemon juice?





  18. QID A rectangular tank with dimensions 80 cm by 40 cm by 60 cm was `1/3` filled with water. Ten identical iron balls were put into the tank and the height of the water increased by 25%. When more water was added, there was a further increase of 15% in the height of the water.

    Find the
    (a) volume of each iron ball
    (b) the final total volume of the water and 10 iron balls in the tank.





  19. QID The bar graph below shows the number of pupils who have signed up to join 4 different clubs during the CCA recruitment drive in school.

    (a) In which club is the ratio of the number of boys to the number of girls 4 : 5? (b) What fraction of pupils who joined the Science Club are girls?





  20. QID There were some exercise books and files in a box. The number of exercise books was twice the number of files. Each time 7 exercise books and 5 files were taken out of the box. After a while, only 30 exercise books were left.
    (a) How many files were taken out?
    (b) What was the total number of exercise books and files in the box in the first place?





  21. QID William bought a packet of 1 litre fresh orange juice. he drank 320 ml and his mother drank `1/4` of the remainder. How much fresh orange juice did his mother drink?





  22. QID What is the maximum number of 4 cm cubes that can be packed into a rectangular box measuring 18 cm by 13 cm by 4 cm?





  23. QID A retailer bought a DVD player for $120. He marked it at 25% higher than what he had paid for. He sold the DVD player at $12 less than the marked price. At what price did he sell the DVD player?





  24. QID How much does 0.8 kg of sweets cost?





  25. QID For every $4 Mandy saves, Eunice saves $5 and for every $3 Eunice saves, Sandy saves $2. How much does Sandy save if the three of them save $1 850 altogether?





  26. QID Which of the following are nets of a cube?





  27. QID The pie chart below shows the different types of animals in a pet shop.

    If there are 20 more cats than hamsters, how many animals are there in the pet shop altogether?





  28. QID The amount of water in the cylinder is _________ ml.





  29. QID What is the value of 35 - 25 ÷ 5 + 6 x 4?





  30. QID A wooden crate with 5 watermelons has a mass of 5.4 kg. The average mass of the five watermelons is 0.92kg. What is the mass of the wooden crate?






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