SSS2 Math Quiz 19.1 – Sequences

If 1 meter of wire has a mass of 5 grams, what will be the mass of 10 meters of the same wire?

If one book costs $x, what will be the cost of five books?

If a car travels 60 km in 1 hour, how far will it travel in 3 hours if it keeps up the same rate?

If y + 1 is directly proportional to the square of x and y = 7 when x = 2, find y when x = 3.

If a ∝ b and a = 3 when b = 6, find the relationship between a and b. Find a when b = 12.

If 1 kg of apples costs $3, what will be the cost of 4 kg of apples?

If a train travels 150 miles in 3 hours, how long will it take to travel 400 miles at the same speed?

If x – 2 is directly proportional to the cube of y and x = 10 when y = 2, find x when y = 1

If m ∝ n and m = 12 when n = 4, find the relationship between m and n. Find m when n = 6

If the circumference of a circle is directly proportional to its radius, and a circle with radius 3 cm has a circumference of 6π cm, find the circumference of a circle with radius 5 cm

If 2 painters can paint a house in 5 days, how long will it take 4 painters to paint the same house, assuming they work at the same rate?

If the cost of 3 chocolates is $6, how much will 9 chocolates cost?

If a recipe for 4 servings calls for 2 cups of flour, how many cups of flour are needed for 6 servings?

If y varies directly with x, and y = 20 when x = 4, find the value of y when x = 7

If the distance traveled by a car is directly proportional to the time taken, and it travels 100 km in 2 hours, how far will it travel in 5 hours?

If 5 workers can build a wall in 10 days, how many days will it take 10 workers to build the same wall?

If a machine produces 60 items in 2 hours, how many items will it produce in 6 hours?

If the cost of 4 pens is $8, what is the cost of 7 pens?

If a tree casts a shadow of 12 meters when the sun is at a certain angle, and a person 1.8 meters tall casts a shadow of 3 meters at the same time, how tall is the tree?

If the weight of an object on Earth is directly proportional to its mass, and an object with a mass of 5 kg weighs 49 N on Earth, what would an object with a mass of 8 kg weigh on Earth?