Variables Quiz 1

Question 1

Riya has 14 balls. Bhavya gives her some balls, then Riya has a total of 56 balls. Which of the following represent the above expression in mathematical form?

Accepted Answer

$$14 + x = 56$$

Answer

$$14x = 56$$

Answer

$$14 + 56 = 70$$

Answer

$$56 - 14 = 42$$

Question 2

Cost of a motorbike is 10 times the cost of a cycle. If you have enough money to buy 3 motorbikes, how many cycles can you buy with the same amount of money?

Accepted Answer

$$30$$

Answer

$$60$$

Answer

$$18$$

Answer

$$57$$

Question 3

Determine the value of the variable $$x$$ when $$7x - 9 = 5$$?

Accepted Answer

$$2$$

Answer

$$8$$

Answer

$$6$$

Answer

$$19$$

Question 4

Find out if $$a = 7$$ , a solution to the equation $$12a - 6 = 7a + 29$$ ?

Accepted Answer

Yes

Answer

No

Answer

Not enough information

Answer

Cannot be determined

Question 5

When three consecutive numbers $$($$in ascending order$$)$$ are multiplied by 4,3, and 2, the result is 70. Find the figures.

Accepted Answer

$$7,8,9$$

Answer

$$12,13,14$$

Answer

$$9,10,11$$

Answer

$$3,4,5$$