২৭০৭১
দুইটি সংখ্যার গ.সা.গু এবং ল.সা.গু যথাক্রমে ১৪ ও ১৬৮। সংখ্যাদ্বয়ের গুণফল কত?
উত্তর
কোনটিই নয়
২৭০৭২
The difference between the length and the breadth of a blackboard is 8 cm. If the breadth is decreased by 4 cm and the length is increased by 7 cm the areas remains the same. Find the dimensions of the blackboard?
উত্তর
2,820
২৭০৭৩
X cm complete a certain work in same time in which Y and Z together can do it. If X and Y together can finish it in 10 days and Z alone in 15 days, then Y alone can do it in?
উত্তর
60 days
২৭০৭৪
The difference between the radio of bigger difference between circle and smaller circle is 14 and the difference between their sareas is 1056 cm2. Radius of the smaller circle is.
উত্তর
5 cm
২৭০৭৫
A jar contains a mixture of oil and water in the ratio 22:3. 50 litres of the mixture was taken out and 25 litres of water was added to it. If water was 34% in the resultant mixture, what was the initial quantity of the mixture (in litres ) in the jar?
উত্তর
125
২৭০৭৭
The ratio of the length to the breadth of a rectangular park is 3:2 , if a man cycling along the boundary of the park at the speed minutes , then what is the area of the park?
উত্তর
153600 m2
২৭০৭৯
A boat takes 19 hours to travel downstream from point A to point B and coming back to a point C midway. betway A and B. If the speed of the stream is 4 km/hr. what is the distance between A and B?
উত্তর
180 km