Practicing Success
Practicing Success
CUET Preparation Today
Mother, daughter and son can do a work in 3, 4 and 5 days respectively. How many days will they take to complete the work, if they work together? |
$\frac{47}{60}$ days $2\frac{13}{47}$ days $1\frac{13}{47}$ days $\frac{13}{47}$ days |
$1\frac{13}{47}$ days |
Time taken by all three together to complete the work = \(\frac{60}{20 + 15 + 12 }\) = \(\frac{60}{47 }\) = 1\(\frac{13}{47 }\) days |
