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 2**

1. If April 23 falls on Tuesday, then March 23 of the same year was a:

A. Saturday

B. Sunday

C. Monday

D. Wednesday

E. Thursday

2. The page numbers of a book sum to 1999. One page number was counted twice. Which page number was that?

A. 42

B. 44

C. 45

D. 46

E. 50

3. In a party, the first time the door bell rang 1 guest arrived. On each succeeding ring, two more guests arrived than on the previous ring. After 20 rings, the number of guests at the party was:

A. 39

B. 58

C. 210

D. 361

E. 400

4. If a pup is worth a pooch and a mutt, a pup and a pooch are worth one bird dog, and two bird dogs are worth three mutts, then the number of pooches a pup is worth is:

A. 2

B. 3

C. 5

D. 6

E. 9

5. If \(a^b = 3\), then the value of \(a^{4b} – 5\) is:

A. 7

B. \(3a^4 – 5\)

C. 22

D. 76

E. 81