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

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

1. −10
2. 10
3. 20
4. −20

A

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

1. 24
2. 22
3. 20
4. 16

D

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

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

D

MCQ. Considering formula 1⁄w = 1⁄x + 1⁄y + 1⁄z, then if x = 5, y = 10, and z = 15, 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, value of 'a' will be

1. 4⁄9
2. 2⁄9
3. 2⁄7
4. 1⁄4

B

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