Practice class 7 maths problems MCQs, grade 7 online math test 4, introduction to probability multiple choice questions and answers. Introduction to probability revision test has math worksheets, helping answer key with choices as x⁄16, x⁄14, x⁄15 and 15⁄x of multiple choice questions (MCQ) with introduction to probability quiz as a bag contains 15 balls of which x are red, probability of getting a red ball at random from bag is for competitive exam prep, viva interview questions. Free math study guide to practice introduction to probability quiz to attempt multiple choice questions based test.

## MCQs on Class 7 Maths Problems Quiz PDF Download Worksheets 4

MCQ. A bag contains 15 balls of which x are red, the probability of getting a red ball at random from the bag is

1. x⁄14
2. x⁄16
3. x⁄15
4. 15⁄x

C

MCQ. The sum of two numbers is 48 and smaller one is equal to one fifth of larger number, the numbers are

1. 40 and 8
2. 35 and 70
3. 3 and 9
4. 15 and 30

A

MCQ. Solving the equations 1⁄3(x + y) = 1⁄5(x - y), 3x + 11y = 4 gives

1. x = 1, y = 4
2. x = 5, y = 6
3. x = 16, y = -4
4. x = -4, y = 16

C

MCQ. Solve for value of x and y if 5x - y = 5 and 3x + 2y = 29

1. x = 12, y = 3
2. x = 1, y = 4
3. x = -3, y = 24
4. x = 3, y = 10

D

MCQ. Show that 6,8 and 10 form a Pythagorean triple

1. 12²
2. 10²

D