Algebra Test - ...

If a traveller travels x km in total and travels 3y km by car, 7z km on foot and the rest by bus, then which of the following represents the distance covered by bus?

A student scores 75 marks in his monthly Mathematics test, in which each answer is of 2 marks. He later finds out that x of his correct answers had not been checked. What is his new corrected score in the exam?

There are 12 tennis balls in every packet and 5 balls have been found to be defective in total. If y = The number of packets, then which of the following expressions shows the number of non-defective balls?

There are 57 pages in a child's book. The pages are in three different colours, with y red pages, 7 more blue pages than red pages and 4 green pages less than blue pages. Which of the following equations can be used to find the number of pages of each colour?

Fill in the blanks.

(a) An expression with a variable that has a power as one and the sign of equality is P.
(b) Adding 2 to a number x, followed by doubling the whole is Q.
(c) The value that does not change in an equation is R.

Which of the following equations has a solution as a positive even number?

State T for true and F for false.

P. The solution of equation 3x + 4 = 16 is x = 4.
Q. A linear algebraic equation always has an integer solution.
R. If x is 4 more than thrice of y, then it can be expressed as x = 3y + 4