engineering recuitment DRDO CEPTAM STA B Tier I (Sr. Technical Assistant) Mock Test 2022 Quantitative Aptitude Time and Work Work Efficiency
A is 3 times efficient than B can finish the work 10 days earlier as compared to B. How much time both will take to finish the same piece of work if they work together?
1
\(4 \frac{1}{4}\) days
2
\(3 \frac{3}{4}\) days
3
\(3 \frac{1}{4}\) days
4
\(4 \frac{3}{4}\) days