RRB Group-D Model Paper 14 with answers for online practice

Given:
60 worker can stich of 120 m of clothes in 7 days
Formula:
$\frac{\left({\mathit{M}}_1\times {\mathit{D}}_1\right)}{{\mathit{w}}_1}=\frac{\left({\mathit{M}}_2\times {\mathit{D}}_2\right)}{{\mathit{W}}_2}$
M = number of workers, D = number of days, W = work done
Calculation:
${\mathit{M}}_1=60,{\mathit{D}}_1=7\mathit{a}\mathit{n}\mathit{d}{\mathit{W}}_1$ = 120 m
${\mathit{M}}_2=70,{\mathit{D}}_2=5\mathit{a}\mathit{n}\mathit{d}{\mathit{W}}_2=?$
According to the question
(60 × 7)/120 = (70 × 5)/ ${\mathit{W}}_2$
⇒ 7/2 = 350/ ${\mathit{W}}_2$
⇒ ${\mathit{W}}_2$ = 350 × (2/7)
⇒ ${\mathit{W}}_2$ = 100 m
∴ 100 m of clothes can be stitched by 70 workers in 5 days