Science

A trader paid import duty of 38kobo in naira on the cost of an engine. If a total of #22,800.00 was paid as import duty, calculate the cost of engine.

The height of an equilateral triangle is 10√3 cm. Calculate it's perimeter

• 20 cm

• 60 cm

• 40 cm

• 30 cm

From a point T, a man moves 12km due west and then move 12 km due south t another point Q. Calculate the bearing of T from Q

• 225°

• 315°

• 045°

• 135°

The sum of the interior Angles of a regular polygon with k sides is (3k - 10) right angles. Find the size of the exterior angle

• 60°

• 40°

• 90°

• 120°

Correct, 0.00798516 to three significant figures.

• 0.0109

• 0.0800

• 0.00799

• 0.008

The properties of endocrine system includes the following except

• Secretion of hormones

• Transportation by blood to target organs

• Having specific effect

• Release of secretions into ducts

Oxygen comes out of the stomata during photosynthesis through the process known as

• Diffusion

• Transpiration pull

• Osmosis

• Active transport

The depletion of the ozone layer will result in the earth surface receiving more

• Gamma rays

• Infra - red rays

• Ultraviolet rays

• X - rays

Variation which exhibits a wide range from one extreme to the other is

• Phonotypic variation

• Discontinuous variation

• Continuous variation

• Genotypic variation

Which of the flower diseases can be inherited

• Pneumonia

• Whooping cough

• Sickle cell anemia

• Malaria