**167.) 12 : 72 : : 8 : ___?**

a. 0

b. 32

c. 36

d. 38

**168. PEMDAS: 10÷2×5−(12÷3×4)+1 =__?**

a. 10

b. 1

c. −1

d. 23

e. None of the above

**169. Sum of all odd numbers between 60 to 120.**

a. 3775

b. 3050

c. 4000

d. 2700

**170. John walks everyday from his house to the police station. After walking at a rate of 2 meters/second for 3 minutes, he looks at his watch and realizes that he has to run 4 meters/second for 1 minute so he won’t be late. What is the distance from his house to the police station?**

a. 10 m

b. 60 m

c. 105 m

d. 400 m

e. 600 m

171. Radicals: √0.000025

a. 0.5

b. 0.05

c. 0.005

d. 0.00005

**172.) Number Series: 1/12, 1/6, 1/4, 1/3, ____**

a. 1

b. 1/3

c. 5/12

d. ½

e. None of the above

**173. A chemist has 400 millilitres of a solution of 20% alcohol on hand, and he wants to mix it with**

**enough pure alcohol to turn it into a 30% alcohol solution. How much pure alcohol will this require?**

a. 30

b. 40

c. 50

d. 60

e. 57

**174. What is the percentage decrease from 80 to 60?**

a. 33.33%

b. 25%

c. 20%

d. 75%

e. None of the above

**175. What is the percentage increase from 60 to 80?**

a. 33.33%

b. 25%

c. 20%

d. 75%

e. None of the above

**176. A businessman sells 60% English books and still has 28 English books. Originally, he had:**

a. 47

b. 39

c. 60

d. 70

e. None of the above

**177. Twelve and one half percent of 200 is what number?**

a. 112

b. 12

c. 50

d. 25

e. None of the above

**178.) If the price of a book is first decreased by 25% and then increased by 20%, then the net change in the price will be :**

a. 10%

b. 20%

c. 30%

d. 40%

e. None of the above

**179. In a mixture 60 litres, the ratio of milk and water 2 : 1. If this ratio is to be 1 : 2, then the quantity of water to be further added is:**

a. 20 L

b. 30 L

c. 40 L

d. 60 L

e. none of the above

**180. Participants in a certain conference from Luzon, Visayas, and Mindanao are in the ratio of 4:3:2. If there are 120 participants from Luzon, how many participants are there in all?**

a. 270

b. 150

c. 240

d. 420

e. None of the above

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