১৩৪২১
The difference between the length and breadth of a rectangle is 23 meter. If its perimeter is 206 meter, then, its area is
উত্তর
2520 sq meter
১৩৪২২
Consider ΔABD such that angle ADB = 20° and C is a point on BD such that AB = AC and CD = CA. Then the measure of angle ABC is ____ .
উত্তর
40°
১৩৪২৩
A, B and C can complete a piece of work in 14, 6 and 12 days respectively. Working together, they will complete the work in ________ .
উত্তর
28/9 days
১৩৪২৪
A shopkeeper purchases 15 mangoes for Tk. 10 and sells them at 10 mangoes for Tk. 15. Thus, he earns a profit of ___ .
উত্তর
125%
১৩৪২৬
If a : b = 1 : 3, b : c = 5 : 7, then what is the value of a : b : c?
উত্তর
5 : 15 : 21
১৩৪২৭
A man's regular pay is Tk. 30 per hour up to 40 hours, Overtime is twice the regular payment. If he was paid Tk. 1,680, how many hours overtime did he work?
উত্তর
8
১৩৪২৯
If 6.4 is 80 percent of 20 percent of a certain number, what is the number?
উত্তর
40
১৩৪৩০
If a 10% deposit that has been paid toward the purchase of a certain goods is Tk. 110, how much Taka remains to be paid?
উত্তর
990