Abbreviations used: eg P3, U1.1, Q1 refer to Conquer Problem Sums for Primary 3, unit 1.1, question 1.
P3, U3.3, Q8
Mrs Krishnan baked some cookies of three flavours, which were vanilla, chocolate and strawberry. She baked thrice as many vanilla cookies as chocolate cookies and twice as many strawberry cookies as vanilla cookies. Given that she baked 75 more strawberry cookies than chocolate cookies, how many cookies did she bake at first?

P3, U3.3, Q9
John bought 50 more Singapore stamps than Malaysia stamps and twice as many China stamps as Malaysia stamps. Given that he bought a total of 230 stamps, how many Singapore stamps did he buy?

P3, U3.4, Q1
Three boys shared a total of 250 stamps. John had 56 more stamps than Bryan, and Bryan had 67 more stamps than Lucas. How many stamps did Bryan have?

P3, U3.4, Q4
Alan, Bernard and Dave shared $80. Given that Alan had $28 more than Bernard and Dave had $42 lesser than Alan, how much money did Dave have?

P3, U3.4, Q5
There were 1440 people at an IT show. There were 225 more men than women but the number of children was 120 more than the men. How many children were there at the IT show?

P3, U3.4, Q6
A confectionery baked a total of 363 chocolate, vanilla and strawberry buns. There were 124 more chocolate buns than strawberry buns but 20 vanilla buns lesser than chocolate buns. How many chocolate buns did the confectionery produce?

P4, U1.13, Q7
Jason bought 4 table tennis bats and 7 badminton rackets for $286. Given that a badminton racket cost $22 more than a bat, find the cost of a badminton racket.

P4, U1.13, Q8
Jason bought a CD, a T-shirt and a bermuda pants for $76. The T-shirt cost $8 more than the CD and the Bermuda pants cost $12 more than the T-shirt. How much did the T-shirt cost?

P4, U1.13, Q9
Rebecca spent $18 on a plate, a bowl and 2 cups. Each plate costs $3 more than a cup and each bowl cost $2 more than a plate. Find the cost of a dozen cups.








