# Second Term Examination Mathematics (SS 2)

CRN INTERNATIONAL SCHOOL

MATHEMATICS

SECOND TERM EXAMINATION

SENIOR SECONDARY SCHOOL (SS 2)

SECTION A – OBJECTIVE QUESTIONS

Instruction: pick the correct answer to the questions below.

1. Number 576.4 equals log ________________ using four figure table

a. -1.8857

b. 0.7611

c. 0.7607

d. -2.7607

2. Express 0.003471 in standard form.

a. 3.471 x 10¯³

b. 3.471 x 10¯²

¯c. 3.471 x 10³

d. 3.471 x 10¯³

Using the table below to answer questions 3 – 5. 3. Find the mean of the amount.

a. ₦30

b. ₦35

c. ₦40

d. ₦50

4. Find the mode of the amount.

a. ₦30

b. ₦35

c. ₦40

d. ₦50

5. Find the median of the amount.

a. ₦35

b. ₦45

c. ₦50

d. ₦60

Using the diagram fig 1. 6. Calculate how many students are in computer science department

a. 36°

b. 72°

c. 108°

d. 216°

7. Calculate how many students are in mechanical engineering department

a. 36°

b. 72°

c. 108°

d. 216°

8. In triangle ABC, A = 29°, B = 36° , b = 15.8 cm , find a.

a. 6.5 cm

b. 6.6 cm

c. 6.7 cm

d. 6 cm

9. Find the value of x, a. x < – 4

b. x > 4

c. x < 3

d. x > – 3

10. Express 3472000 in standard form.

a. 3.472 x 10^5

b. 3.472 x 10^-5

c. 34.72 x 10^6

d. 3.472 x 10^6

11. < means ________________.

a. greater than

b. less than

c. greater or equal to

d. not equal to

12. Find the value of x, a. x < – 4

b. x > 4

c. x > – 4

d. x < – 4

13. Convert 110101two to base ten.

a. 5710

b. 5310

c. 6310

d. 6710

14. Fig 2. means ________________ angle.

a. obtuse

b. acute

c. reflex

d. right

15. x – a =

a. 1

b. a/x

c. 1/xa

d. x = a

16. In triangle PQR, P = 83°, p = 285 cm, r = 216 cm, calculate R

a. 48°

b. 48.8°

c. 47°

d. 131°

17. Find b, when B = 126°, c = 5.6 cm, a = 5cm

a. 9.45 cm

b. 9.5 cm

c. 9.54 cm

d. 10 cm

18. Convert 423three to base ten.

a. 1210

b. 3610

c. 2810

d. 1410

19. Fig 3 is ________________.

a. x < – 5

b. x ≤ – 5

c. x > – 5

d. x ≥ – 5

20. In triangle ABC, A = 29o, B = 36o, b = 15.8cm, find a

a. 13.0cm

b. 13.1cm

c. 0.02cm

d. 15.2cm

SECTION B – THEORY

1a. In triangle ABC, C = 53o, b = 3.56cm, c = 4.28cm, calculate B

b. calculate the values of angles A and C of ABC, where b = 14.35cm, a = 7.8cm, B = 115.6o (sine rule)

2a. A = 120o, b = 7cm, c = 12cm

B. C = 29o, a = 2m, b = 3m (cosine rule)

3a. solve the following inequalities i. 5x – 9 ≥ 4 ii. 28 – 5x < x – 4

b. Represent the following inequalities on number lines an Cartesian plane

i. -6 < x ≤ -2

ii. x ≤ -4 or x >1

4a. Interpret the diagram fig 4 using the 2 types of bearing.

bi. Calculate the /AB/ and /BC/

ii. Find the dy/dx of Y = 3×2

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