A farmer has some chickens and rabbits there are 13 more chickens then rabbits. The chickens have 16 more legs then the rabbits. (a) How many chickens are there? (b) How many rabbits are there?
A
(a) 18 chicken (b) 5 rabbits
B
(a) 20 chicken (b) 7 rabbits
C
(a) 22 chicken (b) 9 rabbits
D
(a) 24 chicken (b) 11 rabbits
E
None of the above
Sorry. Please check the correct answer below.
13 more chicken = $2 \times 13 = 26$legs $26 = 16 = 10$ $10 \div 2 = 5$ (b) There are 5 rabbits. $13 + 5 = 18$ (a) There are 18 chicken
13 more chicken = $2 \times 13 = 26$legs $26 = 16 = 10$ $10 \div 2 = 5$ (b) There are 5 rabbits. $13 + 5 = 18$ (a) There are 18 chicken
A mathematical competition consists of 80 questions. 4 marks are awarded for each correct answer and 2 marks are deducted for each wrong answer. Jordan answered all the questions and scored a total of 152 marks for the competition. How many questions did he answer correctly?
Jolly Cupcakes sold their large cupcakes at \$5 each and small cupcakes at \$3 each. At the end of the day, they sold 87 cupcakes and collected \$329. How many large cupcakes did they sell?
A
20
B
26
C
29
D
34
E
None of the above
Sorry. Please check the correct answer below.
Assume all small: 87 $\times$ 3 = 261 Difference: 329 = 261 = 68 5 – 3 = 2 68 $\div$ 2 = 34 They sell 34 large cupcakes
Assume all small: 87 $\times$ 3 = 261 Difference: 329 = 261 = 68 5 – 3 = 2 68 $\div$ 2 = 34 They sell 34 large cupcakes
Beads were placed in 2 containers, A and B, in the ratio of 5 : 3. After 20 beads were removed from A and 24 beads were added to Container B, the number of beads in Container A was $\frac{2}{3}$ the number of beads in Container B. How many beads were there in Container A at first?
A despatch can deliver 20 parcels on a sunny day. It can only deliver 12 parcels on a raining day. 112 parcels in all are delivered in 8 days. How many days are raining days?
Mr Chan paid \$990 in all for 100 tickets consisting of \$8, \$10 and \$12 category. There were as many \$8 as \$10 tickets. Find the number of \$12 tickets he bought.
A
10
B
20
C
30
D
40
E
None of the above
Sorry. Please check the correct answer below.
Assume all to be 8 + 10 $50 \times 18 = 900$ $24 – 18 = 6$ $90 \div 6 = 15$ He bought $(15 \times 2)$ \$12 tickets. He bought 30 \$20 tickets
Assume all to be motorcycles = $60 \times 2 = 120$ Difference : $194 – 120 = 74$ $74 \div 2 = 37$
Mr Chan has only \$2 and \$5 notes in his wallet. There are altogether 30 pieces of notes with a total value of \$114. How many \$2 notes does he have?
A
10
B
12
C
14
D
16
E
None of the above
Sorry. Please check the correct answer below.
Assume all \$5 notes. $30 \times 5 = 150$ Difference: $150 – 114 = 36$ $5 – 2 = 3$ $36 \div 2 = 12$ He has 12 \$2 notes