Bank Preparation
Bank Math
ব্যাংক নিয়োগ
Rajshahi Krishi Unnayan Bank
Rajshahi Krishi Unnayan Bank(Senior Officer-15.04.2011)
Time & Work, Chain Rule
Rajshahi Krishi Unnayan Bank(Senior Officer-15.04.2011)
Karim can do a job in 15 minutes and his brother takes twice as long to do the same job. If they work together, how long it takes to complete the job?Karim can do a job in 15 minutes and his brother takes twice as long to do the same job. If they work together, how long it takes to complete the job?
বিকল্পসমূহ (নিজের উত্তর যাচাই করতে ক্লিক করুন):
সঠিক উত্তর
2 (10)