১১০৬১
A student multiplied a number by 3/5 instead of 5/3. What is the percentage error in the calculation?
উত্তর
64%
১১০৬২
Ten years ago, A was half of B in age. If the ratio of their present ages is 3:4, then what will be the total of their present ages?
উত্তর
35 years
১১০৬৩
The size of the wooden block is 5 x 10 x 20 cm. How many such blocks will be required to construct a solid wooden cube of minimum size?
উত্তর
8
১১০৬৪
A tank is 25 m long, 12 m wide and 6 m deep. The core of plastering its walls and bottom at 75 paisa per m2 is:
উত্তর
tk. 558
১১০৬৫
The difference of two number is 20% of the large number, if the smaller number is 20, then the larger number is:
উত্তর
25
১১০৬৬
12 buckets of water fill a tank when the capacity of each bucket is 13.5 litres. How many buckets will be needed to fill, if the capacity of each bucket is 9 liters?
উত্তর
18
১১০৬৭
The sum of three numbers is 98. If the ratio of the first to second is 2:3 and that of the second to the third is 5:8, then the second number is
উত্তর
30
১১০৭০
A 270 m long train running at the speed of 120 km/hr crosses another train running in opposite direction at the speed of 80 km/hr in 9 seconds. What is the length of the other train?
উত্তর
230 mg