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MOCK EXAMS FOR SCIENCE PRACTICAL

O-LEVEL PRACTICAL TRAINING

PRACTICAL CRASH COURSES

 

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1) sqrt (0.48), 0.702, 27/38, 0.61

2) 3.90 swiss francs

3a) 629.25

3b) 630

4) 47.9 deg or 132.1 deg (or 0.836 rad or 2.31 rad)

5) zero hours not offered; the choices given for the intervals for the number of hours spent are not continuous; time limit, such as per day or per week, not set.

6) – 1/3 (corrected)

7) 112

8) 79.4%

9a) 1000

9b) 200%

10a) 32 sec

10b) 7.5 sec

11) $78.50

12) x = 3 cm, y = 5 cm, z = 15 cm

13) $7500

14a) 1/3 (b – a)

14b) vector DC cannot be expressed as k(vector OA), so vectors DC and OA are not parallel.

15a) Two circles overlapping

15b) {4,6,7,8,9,10,11}

16a) 3b^5/2a

16b) (8x-5)/(x-3)^2

17a) a = 5, b = 19, c = 26

17b) 7n – 2

c) There is no integer value of n such that 7n-2 = 109

18a) 8  11/18 m/s

18b) 9 min 43 sec

19a) graph curves upwards, passes thru origin

19b) s = 2.25 t^2

19c) 2.98 sec

20a) 1/4

20b) 1/16

20c) 55/64

21ai) (2.6 4.3 6.8) as in 3×1 matrix

21aii) E = (151.4 135.4) as in 2×1 matrix

21aiii) It represents the masses of the coins saved by Lin and Hadi respectively

21b) (10 20 100) as in 3×1 matrix

22) $644.17

23a) 314 cm^2

23b) 5 cm by 7 cm by 11 cm

23c) 42

24a) 9(x-1)

24b) 57 cm

24c) 196 cm^2

Ad hoc O Level Math or Physics Tuition from 20 Oct to 26 Oct 2014

Suggested answers to GCE O Level 2014 Math (4016) Paper 2

 

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