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Page 1: G.C.E. (A.L.) Examination

G.C.E. (A.L.) Examination

December 2006December 2006Mathematics IMathematics I

(Q1-Q5)(Q1-Q5)Model SolutionsModel Solutions

1

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G.C.E. (O.L.) ExaminationG.C.E. (O.L.) Examination

Page 2: G.C.E. (A.L.) Examination

G.C.E.(O.L.)-Mathematics December 2006

Paper IPaper I – Q1 Q1 (Model Solutions)(Model Solutions)

Q1. The price of a pencil is Rs. 3.50. What is the price of 5 such pencils?

Rs. 3.50 X 5 = Rs 15 + Rs 2.50 = Rs 17.50

Ans:

Page 3: G.C.E. (A.L.) Examination

G.C.E.(O.L.)-Mathematics December 2006

Paper IPaper I – Q1S1 Q1S1 (Model Solutions)(Model Solutions)

Q1S1. The price of a pencil is Rs. 13. What is the price of 12 such pencils?

13 X 12 = 15_

13 + 2 = 15

3 X 2 = 6 6

156

Supplementary question 1 (Q1S1) to

show a faster method of multiplying two

numbers between 10 and 20.

Ans:

Page 4: G.C.E. (A.L.) Examination

G.C.E.(O.L.)-Mathematics December 2006

Paper IPaper I – Q1S2 Q1S2 (Model Solutions)(Model Solutions)

Q1S2. The price of a pencil is Rs. 13. What is the price of 19 such pencils?

13 X 19 = 22_

13 + 9 = 22

3 X 9 = 27 27

247

27

Supplementary question 2 (Q1S2) to

show a faster method of multiplying two

numbers between 10 and 20.

Ans:

Page 5: G.C.E. (A.L.) Examination

G.C.E.(O.L.)-Mathematics December 2006

Paper IPaper I – Q1S3 Q1S3 (Model Solutions)(Model Solutions)

Q1S3. The price of a pen is Rs. 95. What is the price of 98 such pens?

Rs. 95 X 98 = 9310

(-5) X (-2)

Supplementary question 3 (Q1S3) to

show a faster method of multiplying two

numbers closer to 100.

Ans:

Page 6: G.C.E. (A.L.) Examination

G.C.E.(O.L.)-Mathematics December 2006

Paper IPaper I – Q2 Q2 (Model Solutions)(Model Solutions)

Q2. Simplify: 62.36-7.83

62.36- 7.83--------54.53

Ans:

Page 7: G.C.E. (A.L.) Examination

G.C.E.(O.L.)-Mathematics December 2006

Paper IPaper I – Q3 Q3 (Model Solutions)(Model Solutions)

Q3. What is the value of ? 9

9=3 X 3 Therefore, 3339

Ans:

Page 8: G.C.E. (A.L.) Examination

G.C.E.(O.L.)-Mathematics December 2006

Paper IPaper I – Q4 Q4 (Model Solutions)(Model Solutions)

Q4. Solve: a-5=3

8

5355

35

a

a

a

Ans:

Page 9: G.C.E. (A.L.) Examination

G.C.E.(O.L.)-Mathematics December 2006

Paper IPaper I – Q5 Q5 (Model Solutions)(Model Solutions)

Q5. The number of vehicles sold by a certain company on 5 days of the week is shown in the picture graph. How many vehicles were sold on Wednesday?

= 4 vehiclesNo of vehicles

Day

Friday

Thursday

Wednesday

Tuesday

Monday

Ans:Cars sold on

Wednesday = 3 units x 4 vehicles per

unit = 12

Page 10: G.C.E. (A.L.) Examination

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