৩১১৭২
একজন মাঝি স্রোতের অনুকূলে ২ ঘন্টায় ৫ মাইল যায় এবং ৪ ঘন্টায় প্রাথমিক অবস্থানে ফিরে আসে। তার মোট ভ্রমণে প্রতি ঘন্টায় গড় বেগ কত?
উত্তর
১৫/৮
৩১১৭৩
How many squares will there be, if a rectangle of area 60 is cut into squares of side 1/2?
উত্তর
30
৩১১৭৫
The sum of 3 consecutive multiple of 3 is 90. What is the largest of these numbers?
উত্তর
24
৩১১৭৬
35% of Rashed's income is equal to 25% of Mithu's income. The ratio of their income is -
উত্তর
5:7
৩১১৭৭
A man buys a television set that lists for Tk 36000 at 10% discount. He gets an additional 2% discount for paying cash. How much does he actually pay in Tk?
উত্তর
32400
৩১১৭৮
How many numbers between 1 and 100 are there of the form 7x + 5 where x is a positive integer?
উত্তর
147
৩১১৮০
A business firm reduces the number of hours its employees work from 40 hours per week to 36 hours per week while continuing to pay the same amount of money. If an employee earned x taka per hour before the reduction in hours, how much does he earn hour under the new system?
উত্তর
10x/9