Banner 0
Banner 1
Banner 2
Banner 3
Banner 4
Banner 5
Banner 6
Banner 7
Banner 8
Banner 9
AI Mentor
Check Your IQ
Free Expert Demo
Try Test

Courses

Dropper NEET CourseDropper JEE CourseClass - 12 NEET CourseClass - 12 JEE CourseClass - 11 NEET CourseClass - 11 JEE CourseClass - 10 Foundation NEET CourseClass - 10 Foundation JEE CourseClass - 10 CBSE CourseClass - 9 Foundation NEET CourseClass - 9 Foundation JEE CourseClass -9 CBSE CourseClass - 8 CBSE CourseClass - 7 CBSE CourseClass - 6 CBSE Course
Offline Centres

Q.

Anand is twice as efficient as Bala. Bala can complete a job in 30 days. Find the number of days in which both Anand and Bala can complete it.


see full answer

Your Exam Success, Personally Taken Care Of

1:1 expert mentors customize learning to your strength and weaknesses – so you score higher in school , IIT JEE and NEET entrance exams.
An Intiative by Sri Chaitanya

a

10

b

8

c

6

d

12 

answer is A.

(Unlock A.I Detailed Solution for FREE)

Best Courses for You

JEE

JEE

NEET

NEET

Foundation JEE

Foundation JEE

Foundation NEET

Foundation NEET

CBSE

CBSE

Detailed Solution

Concept-
First, we'll assume that x days of Bala labor. Bala's one-day labor will be followed by Anand's one-day work. To further achieve the desired outcome, we shall add the work of Bala and Anand.
Allow Bala to finish a task in =x days.
according to the query
Anand thus completes a task in =2x days.
Now, Bala completes a work=x in 30 days.
Day's work for Bala = https://lh4.googleusercontent.com/vbzMIs4RK8yFCChxTtu2OwPZTP1JX2Z5obk8SzXrdc3JLWZOKLephtClJpuvi5xaQ3g4FC8gWrsNRt4lLetNAMDVKmbSgNneh8dvbswpAYEJRjGtPoqlT92fTvMKKnIU93zhKvAHA49q39WWebwEKgDay's work for Anand = https://lh6.googleusercontent.com/n6UHugUT4SuFHFkrhKVSt9hkm7C480yNvRXma-x2nWxulx00xpAGf2FIx9XE00-BVYEMD0H7qFECocNMy-GP9kjvGLVaUjQpt9OtJkjmrphgayWB4t0YgKymdQ0lTfQc3_XLO3_k-XD2CkW9fxBQqQAnand and Bala's total effort from one day = https://lh3.googleusercontent.com/oMzK6d7xmIbV6BiD3WF_9i36-dYrVXHLPJd6hbR9JNvw43rzLinrIPFyyzgk5xaAPRKnWd0dZP2V3qz57rUnd_k8LYSrQ5ONuN_0jwocuz5ie2pW0nJ1MPgLmvorX4O-3-4sus3lFZORrTzSOg8QBQhttps://lh3.googleusercontent.com/1lFnbrp8qemlKqLx4NtDQbsIvcc_FYtW9g-A4EUhRc6CDTgEG7WshyuDveQUXKvNGN8K-JNg4cFXdSwFrd5p4I28w8o3J-H30j-HUXzQ1eIY5mK7sVXXrl-79t8n2osQ-0fEXjx08N3_mgu1m4MMaAAs a result, both can do their work in 10 days.
Hence, the correct answer is option 1) 10 days
 
Watch 3-min video & get full concept clarity
score_test_img

courses

No courses found

Related Blogs
Get ₹ 1 crore* worth scholarship for JEE / NEET / Foundation
Result Producing online coaching for JEE/NEET of south India
Largest All India Test Series for JEE/NEET
Best Online Course for IIT JEE
Best Online Course for NEET
Best Online Course for CBSE

Ready to Test Your Skills?

Check your Performance Today with our Free Mock Test used by Toppers!

Take Free Test

Get Expert Academic Guidance – Connect with a Counselor Today!

Related Blogs
Get ₹ 1 crore* worth scholarship for JEE / NEET / Foundation
Result Producing online coaching for JEE/NEET of south India
Largest All India Test Series for JEE/NEET
Best Online Course for IIT JEE
Best Online Course for NEET
Best Online Course for CBSE

best study material, now at your finger tips!

  • promsvg

    live classes

  • promsvg

    progress tracking

  • promsvg

    24x7 mentored guidance

  • promsvg

    study plan analysis

download the app

gplay
mentor

Download the App

gplay
whats app icon
personalised 1:1 online tutoring