MA 1. A sum of money is divided between Ali and Sara in the ratio 3 : 5. Ali invests his share at 10% simple interest per year for 2 years, while Sara invests her share at 12% simple interest per year for 2 years. If the total interest earned by both is $640, how much money did Ali invest?

A - $900
B - $1,200
C - $1,500
D - ---

Korrekt svar : B - $1,200

BI 2. A certain desert animal has thick fur on its feet, stores fat in its hump, and can survive long periods without water. Based on these adaptations, which animal is being described?

A - Camel
B - Fennec Fox
C - Kangaroo
D - ---

Korrekt svar : A - Camel

GEO 3. Which of the following is caused primarily by the gravitational pull of the Moon and the Sun?

A - Ocean currents
B - Tides
C - River flow
D - ---

Korrekt svar : B - Tides

CHEM 4. Which of the following is a chemical change?

A - Melting of ice
B - Burning of wood
C - Dissolving sugar in water
D - ---

Korrekt svar : B - Burning of wood

PHY 5. Which of the following determines the pitch of a sound?

A - Amplitude of the sound wave
B - Frequency of the sound wave
C - Speed of the sound wave
D - ---

Korrekt svar : B - Frequency of the sound wave

SS 6. Which of the following is considered a social institution that helps shape a person's values and behavior?

A - Family
B - Market
C - Mountain
D - ---

Korrekt svar : A - Family

PE 7. During a relay race in athletics, a team drops the baton while passing it between runners. Which of the following statements is correct according to official rules?

A - The team can continue running withou...read more A - The team can continue running without picking up the baton.
B - The team must pick up the baton and ...read more B - The team must pick up the baton and complete the race; failure to carry the baton results in disqualification.
C - The baton can be thrown to the next ...read more C - The baton can be thrown to the next runner as long as they catch it.
D - ---

Korrekt svar : B - The team must pick up the baton and complete the race; failure to carry the baton results in disqualification.

MA 8. A shopkeeper mixes two types of rice in the ratio 2 : 3. The cost price of the first type is $4 per kg, and the second type is $6 per kg. If the mixture is sold at a 25% profit, what is the selling price per kg of the mixture?

A - $6.25
B - $6.75
C - $7.50
D - ---

Korrekt svar : B - $6.75

BI 9. Which of the following animals is herbivorous and lives primarily in grassland habitats?

A - Lion
B - Zebra
C - Crocodile
D - ---

Korrekt svar : B - Zebra

GEO 10. Which of the following lakes is the largest freshwater lake by surface area in the world?

A - Lake Superior
B - Lake Victoria
C - Caspian Sea
D - ---

Korrekt svar : A - Lake Superior

CHEM 11. A student mixes sand and salt in a beaker and then heats the mixture. After heating, the salt dissolves in water while the sand remains undissolved. Which of the following statements is correct?

A - This is a chemical change because ne...read more A - This is a chemical change because new substances are formed.
B - This is a physical change because no...read more B - This is a physical change because no new substances are formed.
C - Sand is a compound and salt is a mix...read more C - Sand is a compound and salt is a mixture.
D - ---

Korrekt svar : B - This is a physical change because no new substances are formed.

PHY 12. Which part of the human ear is responsible for converting sound vibrations into electrical signals that the brain can interpret?

A - Eardrum (tympanic membrane)
B - Cochlea
C - Ear canal
D - ---

Korrekt svar : B - Cochlea

SS 13. Which of the following is an example of cultural exchange due to globalization?

A - Local schools teaching only their na...read more A - Local schools teaching only their national history
B - A Japanese sushi restaurant opening ...read more B - A Japanese sushi restaurant opening in France
C - A village celebrating only its tradi...read more C - A village celebrating only its traditional festival
D - ---

Korrekt svar : B - A Japanese sushi restaurant opening in France

PE 14. In volleyball, a team is allowed how many touches to return the ball over the net before it must go to the opponent?

A - 2 touches
B - 3 touches
C - 4 touches
D - ---

Korrekt svar : B - 3 touches

MA 15. A sum of money is invested at 8% simple interest per year. After 3 years, the interest earned is $360. What is the original sum invested?

A - $1,200
B - $1,500
C - $1,800
D - ---

Korrekt svar : B - $1,500