Question

Ak kary ko pura karney me A ko B ki tulna me 10 din kam lagtey hai.yadi A tthha B milkar ke wah kaam 12 din me pura kr saktey ho,to akele B ko us kary ko pura karney me kitna din lgega

Answer 1

Step-by-step explanation:

B-A=10

B+A=12

adding it

2B=22

B=11

B+A=12

11+A=12

A=12-11=1

A=1