Multiple Choice Questions on Prakash is twice as fast as sumit and therefore Prakash is able to finish the work in 30 days less t........... for CDS Exam Preparation

Back to Main Page

Multiple Choice Questions

Prakash is twice as fast as sumit and therefore Prakash is able to finish the work in 30 days less t...........

Quantitative Aptitude (CDS) Time and work
    Sign in with Google
    Download Solution PDF

    Prakash is twice as fast as sumit and therefore Prakash is able to finish the work in 30 days less than sumit. Find the time in which they can complete the work when both are working together?

    25 days

    Incorrect Answer

    20 days

    Correct Answer

    30 days

    Incorrect Answer

    35 days

    Incorrect Answer
    छोटे Courses बड़े Results
    Master Time and work
    Prepare through Micro-courses
    Try Now
    Explanation:

    Let sumit take x days then Prakash will take x/2 days to complete the work.
    X – X/2 = 30, X = 60
    1/60 + 1/30 = 1/d so, we will get d= 20 days

    Next

    Let's Discuss

    Want Exam specific Multiple Choice Questions on Time and work Choose below
    Master
    Time and work
    With abhipedia
    Micro Courses
    Try Now
    Explore Micro-Courses
    Sentence Completion
    Error correction
    Cloze test
    Word Building (Antonyms & Synonyms)
    Subject-Verb Agreement
    Nouns
    Pronouns
    Adjective
    Adverbs
    Verb
    Articles
    Modals
    Conjunctions
    Tenses
    Parajumbles
    Fill in the blanks
    Sentence Improvement
    Phrasal Verbs
    Word Usage
    Spelling Correction
    Idiom & Phrases
    One Word Substitution
    Active/Passive voice
    Direct/Indirect speech
    Preposition
    Reading Comprehension (C)
    Reading comprehension (P)
    Phrase Replacement
    Sentence Connector
    View All
    What our students have to say
    Download Abhipedia Android App

    Access to prime resources

    Downlod from playstore
    download android app download android app for free

    Search on abhipedia