The Philippine International Mathematical Olympiad (PhIMO) is the newest and most sophisticated international mathematics competition among Kindergarten to Grade 12 students.

The PhIMO is designed to honor the best learners in the world in mathematical problem-solving through friendly competition and foster cultural exchange among countries that participate therein.

Now in its 1st year, the PhIMO is being spearheaded by the Math Olympiads Training League Philippines, Inc. (MOTLI). (sc : www.phimo-ph.com)

**Berikut ini Soal dan Kunci Jawaban PHIMO MOCK EXAM 2020, SECONDARY 1**

1. \(\frac{28x}{45}=\frac{77}{165}\), then what is the value of \(x\)?

A. 0.25

B. 0.50

C. 0.75

D. 0.90

E. 0.60

2. There are 29 people in a room. Of these, 11 speak French, 24 speak English and 3 speak neither French nor English. How many people in the room speak both French and English?

A. 3

B. 4

C. 6

D. 8

E. 9

3. A brood of 5 hens are working together to produce 55 eggs in 5555 days. What is the average number of days it takes a single hen to lay an egg?

A. 11

B. 101

C. 505

D. 555

E. 111

4. Evaluate the sum \(1^2 + 3^2 + 5^2 + … + 23^2 + 25^2\).

A. 2930

B. 2925

C. 2920

D. 2915

E. 2910

5. The lengths of two sides of a triangle are 2 and 9. Which of the following could be the length of the third side?

A. 4

B. 6

C. 8

D. 12

E. 14