Model 3 Simplification based on cube & cube root Practice Questions Answers Test with Solutions & More Shortcuts

Question : 21 [SSC CISF ASI 2010]

$√^3{ √{0.000064}}$ is equal to

a) 0.2

b) 0.0002

c) 0.02

d) 0.002

Answer: (a)

$√^3{ √{0.000064}} = √^3{0.008}$

=$√^3{0.2 × 0.2 × 0.2}$ = 0.2

Question : 22

$√^3{15612 + √{154 + √{225}}}$ is equal to

a) 125

b) 15

c) 75

d) 25

Answer: (d)

Expression

= $√^3{15612 + √{154 + √{225}}}$

= $√^3{15612 + √{154 + 15}}$

= $√^3{15612 + 13}$

= $√^3{15612}$ = 25

Question : 23 [SSC CPO S.I.2003]

The value of $√^3{7/875}$ is equal to

a) $1/5$

b) $1/3$

c) $1/4$

d) $1/15$

Answer: (a)

$√^3{7/875} = (7/875)^{1/3}$

= $(1/125)^{1/3} = 1/5$

Question : 24 [SSC CGL Tier-I 2010]

By what least number should 675 be multiplied so as to obtain a perfect cube number ?

a) 40

b) 3

c) 24

d) 5

Answer: (d)

675 = 5 × 5 × 3 × 3 × 3

∴ Required number = 5

Question : 25 [SSC CPO S.I.2004]

$√^3{19/513}$ is equal to

a) $1/√3$

b) $1/9$

c) $1/√27$

d) $1/3$

Answer: (d)

$√ ^3{19/513} = √ ^3{1/27} = 1/3$

IMPORTANT quantitative aptitude EXERCISES

Model 3 Simplification based on cube & cube root Shortcuts »

Click to Read...

Model 3 Simplification based on cube & cube root Online Quiz

Click to Start..

Recently Added Subject & Categories For All Competitive Exams

Top Analogy Reasoning Ability For IBPS Clerk Prelims 2024

Most Important Analogy based Verbal Reasoning Multiple choice questions and answers practice quiz series PDF, Free New Mock tests For IBPS Clerk Prelims 2024

01-May-2024 by Careericons

Continue Reading »

SSC STENO: Mensuration Area & Volume Questions Test PDF

Free Mensuration Area and Volume Aptitude-based Practice multiple questions with solutions, Quiz, Full Mock Test & PDF for SSC Steno (Grade C & D) 2024 Exam

30-Apr-2024 by Careericons

Continue Reading »

SSC STENO: Speed Time and Distance MCQ Questions Test PDF

Free Time and Distance Aptitude-based Practice multiple questions with solutions, Quiz series, Mock Test & Download PDF for SSC Steno (Grade C & D) 2024 Exam

29-Apr-2024 by Careericons

Continue Reading »

SSC STENO: Time & Work Questions Solved Problems with PDF

Free Time and work Aptitude-based Practice multiple questions with solutions, Quiz series, Mock Test & Downloadable PDF for SSC Steno (Grade C & D) 2024 Exam

27-Apr-2024 by Careericons

Continue Reading »