Learn math formulas MCQs in math quiz for test prep. Algebraic equations and simple inequalities quiz questions has multiple choice questions (MCQ), math formulas test as considering formula c = b²⁄a - b, then if value of a = -20 and b = -10, value of c is. Answer key help with choices as −10, 10, 20 and −20 problem solving for competitive exam, viva prep, interview questions worksheets. Free math revision notes to practice math formulas quiz with MCQs to find questions answers based online tests.

MCQ. Considering the formula c = b²⁄a - b, then if the value of a = -20 and b = -10, the value of c is

1. −10
2. 10
3. 20
4. −20

A

MCQ. Considering the formulae z = (x + y)⁄2, then if x = 10 and y = 12 the value of 'z' will be

1. 11
2. 22
3. 20
4. 16

A

MCQ. Considering the equation x = b² - cd⁄10, then if b = 6, c = 2 and d = 4, the value of 'x' will be

1. 5.8
2. 6.8
3. 4.8
4. 2.8

D

MCQ. Considering the formula 1⁄w = 1⁄x + 1⁄y + 1⁄z, then if x = 5, y = 10, and z = 15, the value of 1⁄w is

1. 11⁄20
2. 11⁄30
3. 30⁄11
4. 20⁄11

B

MCQ. Considering formula a = bc + cd + f + g⁄bcd, then if value of b = 2, c = 3, d = -3, f = 1, g =-2, the value of 'a' will be

1. 4⁄9
2. 2⁄9
3. 2⁄7
4. 1⁄4

B