Study Package RRBs NTPC For Graduate & Under Graduate Posts ONLINE EXAM (1st Stage) 2019>Chapter 21 - Algebra>Practice Exercise>Q 24

EASY

RRB NTPC CBT 1

IMPORTANT

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Twice the difference between two numbers is equal to their sum. If one number is $15$ , find the other number.

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Important Questions on Algebra

EASY

RRB NTPC CBT 1

IMPORTANT

Study Package RRBs NTPC For Graduate & Under Graduate Posts ONLINE EXAM (1st Stage) 2019>Chapter 21 - Algebra>Practice Exercise>Q 25

If

(a^{2} - b^{2}) \div (a + b) = 25,

find

a - b

.

MEDIUM

RRB NTPC CBT 1

IMPORTANT

Study Package RRBs NTPC For Graduate & Under Graduate Posts ONLINE EXAM (1st Stage) 2019>Chapter 21 - Algebra>Practice Exercise>Q 26

If

x + (\frac{1}{x}) = 15,

then find the value of

5 x \div (5 x^{2} - 11 x + 5)

.

MEDIUM

RRB NTPC CBT 1

IMPORTANT

Study Package RRBs NTPC For Graduate & Under Graduate Posts ONLINE EXAM (1st Stage) 2019>Chapter 21 - Algebra>Practice Exercise>Q 27

If

(x + \frac{1}{x}) = 2

, then find the value of

(x^{3} + \frac{1}{x^{3}}) \div (x^{18} + \frac{1}{x^{18}})

.

EASY

RRB NTPC CBT 1

IMPORTANT

Study Package RRBs NTPC For Graduate & Under Graduate Posts ONLINE EXAM (1st Stage) 2019>Chapter 21 - Algebra>Practice Exercise>Q 28

Find the degree of the polynomial

8 x^{4} + 2 x^{2} y^{3} + 4

.