search
Log In
Quick search syntax
tags tag:apple
author user:martin
title title:apple
content content:apple
exclude -tag:apple
force match +apple
views views:100
score score:10
answers answers:2
is accepted isaccepted:true
is closed isclosed:true
0 votes
96 views

At their usual efficiency levels, A and B together finish a task in $12$ days. If A had worked half as efficiency as she usually does, and B had worked thrice as efficiency as he usually does, the task would have been completed in $9$ days. How many days would A take to finish the task if she works alone at her usual efficiency?

  1. $24$
  2. $18$
  3. $12$
  4. $36$
in Quantitative Aptitude 11.6k points 221 1489 2361
edited by
96 views

1 Answer

0 votes

Correct Answer: D

364 points 1 1 4

Related questions

2 votes
1 answer
1
149 views
If $m$ and $n$ are integers such that $(\sqrt{2})^{19}3^{4}4^{2}9^{m}8^{n}=3^{n}16^{m}(\sqrt[4]{64})$ then $m$ is $-20$ $-12$ $-24$ $-16$
asked Mar 8, 2020 in Quantitative Aptitude jothee 11.6k points 221 1489 2361 149 views
1 vote
1 answer
2
138 views
The income of Amala is $20$% more than that of Bimala and $20$% less than that of Kamala. If kamala’s income goes down by $4$% and Bimala’s goes up by $10$%, then the percentage by which kamala’s income would exceed Bimala’s is nearest to $31$ $28$ $32$ $29$
asked Mar 8, 2020 in Quantitative Aptitude jothee 11.6k points 221 1489 2361 138 views
0 votes
1 answer
3
88 views
In a class, $60$% of the students are girls and the rest are boys. There are $30$ more girls than boys. If $68$% of the students, including $30$ boys, pass an examination, the percentage of the girls who do not pass is____
asked Mar 8, 2020 in Quantitative Aptitude jothee 11.6k points 221 1489 2361 88 views
1 vote
1 answer
4
85 views
On selling a pen at $5$% loss and a book at $15$% gain, Karim gains Rs. $7$. If he sells the pen at $5$% gain and the book at $10$% gain, he gains Rs. $13$. What is the cost price of the book in Rupees? $80$ $85$ $95$ $100$
asked Mar 8, 2020 in Quantitative Aptitude jothee 11.6k points 221 1489 2361 85 views
1 vote
2 answers
5
117 views
Corners are cut off from an equilateral triangle T to produce a regular hexagon H. Then, the ratio of the area of H to the area of T is $5:6$ $4:5$ $3:4$ $2:3$
asked Mar 8, 2020 in Quantitative Aptitude jothee 11.6k points 221 1489 2361 117 views
...