Ankit Malpani
1 week, 2 days ago

1. The painting of a hotel can be done by 10 painters in 5 days. But, in reality there were few dabblers in the group of 10 painters and therefore the work took a little over 6 days for completion. A painter worked twice as fast as the dabbler and used 25% less paint than a dabbler used. If 5 litres extra paint was used than expected, then the total paint used in painting the hotel was (in litres)
2. A, B and C can do a work together in a certain number of days. If A leaves after half the work is done, then the work takes 4 more days for completion, but if B leaves after half the work is done, the work takes 5 more days for completion. If A takes 10 more days than B to do the work alone, then in how many days can C alone do the work?

Anurag
1 week, 3 days ago

Where can I report wrong questions because I find some of your solutions wrong. Especially in English and Reasoning section.

ratnasagar dongare
1 week, 4 days ago

tell me any book or video series where i can refer shortcut tricks for quantitative aptitude for sbi po

how to attempt 55+ in sbi po prelims

Sumit Bisht

u can go for videos of studysmart and ADDA247 on YouTube

1 Likes Posted 1 week, 4 days ago
Venkata Chary
1 week, 4 days ago

sir can u please tell me....how to solve new method of coding and decoding

Naga Lalitha Lavanya C
1 week, 5 days ago

from where do I prepare for Quantitative aptitude similar to questions asked Bank exams

Sourav
1 week, 5 days ago

The explantion in the solution is bit nebulous. Can someone explain me in a more lucid way

Sourav
1 week, 5 days ago

Why this solution does not work? What is the conceptual gap here?

Since two opening are for women only so two out of 6 are selected in 6c2 ways. Then for the remaining two openings out of 9 men and 4 women , 2 are selected which can be done in 13c2 ways. so total of 1170 ways.

Swati Arya
1 week, 5 days ago

Where to study the GK portion for SBI PO mains exam?

Anshika Sharma
1 week, 5 days ago

why aren't there daily practice questions in various subjects as there r in other apps for free?
like tough ones....daily quizzes n ol

Ishitva Goel

Check out the Daily Quotient section. It has daily tests.

0 Likes Posted 1 week, 5 days ago135 points

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let the number of painters be n

so dabblers=10-n

10 painters can complete in 5 days. so 1 painter can complete the 1/50 th of work in 1 day

since dabblers efficiency is half 1 dabbler can do 1/100 of work in 1 day

therefore (n/50)+((10-n)/100)=(1/6.xx)

n can either 5 or 6.

let the amount of paint used by dabbler is x. so amount of paint used by painter is 0..75*x

now if n=6

dabblers=4

4*x-6*x*0.75=5

x is negative so n<>6

if n=5

5*x-5*x*0.75=5

x=4

total paint=35 liitres