১০৬৫১
Anik alone can do a piece of work in 6 days and Bishal alone in 8 days. Anik and Bishal undertook to do it for Tk. 5400. With the help of Dinesh, they completed the work in 3 days. How much is to be paid to Dinesh?
উত্তর
Tk. 675
১০৬৫২
If 4 workers can assemble a car in 6 hours, how long would it take 15 workers to assemble the same car?
উত্তর
96 minutes
১০৬৫৩
In a factory, 20 people can make 20 toys in 15 days working 10 hours per day. Then, in how many days can 25 persons make 30 toys working 20 hours per day?
উত্তর
9 days
১০৬৫৪
Three workers can do a job in 6 days. Two of the workers work twice as fast as the third. How long would it take one of the faster workers to do the job himself?
উত্তর
15 days
১০৬৫৫
P and Q can do a job in 3 days. Q and R can do the same job in 4 days, while R and P can do it in 12 days. In how many days the job will be finished when P, Q and R working together.
উত্তর
3 days
১০৬৫৬
P and Q together complete a piece of work in x days. If P alone completes the work in (x + 3) days and Q alone completes the piece of work in (x + 12) days, what is the value of 'x'?
উত্তর
6
১০৬৫৭
A can complete a piece of work in 36 days, B in 54 days and C in 72 days. All the three began the work together but A left 8 days before the completion of the work and B 12 days before the completion of work. Only C worked up to the end. In how many days was the work completed?
উত্তর
24 days
১০৬৫৯
ঘড়িতে যখন 4 : 25 বাজে তখন ঘণ্টার কাঁটা ও মিনিটের কাঁটার মধ্যবর্তী কোণ কত?
উত্তর
17.5°
১০৬৬০
সুদের হার ৭% থেকে কমে ৫% হলে এক ব্যক্তির আয় ৫ বছরে ৭০ টাকা কমে যায়, তার মূলধন কত টাকা?
উত্তর
৭০০ টাকা