**11**. If find *x*.

**12**. Calculate the size of an exterior angle of a regular pentagon.

A. 72°

B. 90°

C. 108°

D. 360°

**13**. Factorise

**14**. Kwame, Atsu and Kojo shared a profit of ¢50,000.00 in the ratio **1:4:3** respectively. How much did Atsu get?

A. ¢62,500.00

B. ¢125,000.00

C. ¢187,500.00

D. ¢25,000.00

**15**. Use the identity to evaluate

A. 660

B. 6,600

C. 7,718

D. 7,600

**16**. What is the probability of obtaining a prime number when a fair die is thrown once?

**17**. The following are the scores obtained by girls in a beauty contest: **12, 16, 19, 14, 17, 8, 11, 19**. What is the probability of obtaining a score of 19?

**18**. Express 25 as a percentage of 75.

A. 300%

B. 100%

C. 50%

D. 33.3%

**19**. Find the value of M given that

**20**. Express 0.0043216 in standard form.

A. 4.3216 × 10^{−4}

B. 4.3216 × 10^{−3}

C. 4.3216 × 10

D. 4.3216 × 10^{3}