সব প্রশ্নে ফিরে যান
Math
Karim and Bablu can build a wooden table in 3 days. Bablu can do it alone in 5 days. How many days would it take Karim to do this job alone?
A) 0.2
B) 7.5
সঠিক উত্তর
C) 5
D) 6.4