1841. অতিভুজের বিপরীত থাকে

সরলকোণ

সমকোণ

সূক্ষকোণ

স্থুলকোন

1842. ৪,৬,৭ এবং x এর গড় মান ৫.৫ হলে x এর মান কত?

৫.০

৭.৫

৬.৮

৬.৫

1843. কোন সংখ্যার বর্গমূলের সাথে ২০ যোগ করলে ৫ এর বর্গ হবে?

২৫

১৬

৩৬

৪৯

1844. If x+y=4 and x-y=3 then x+2y is-

5

3.5

4

4.5

1845. A garden is 60m long and 20m wide.Inside the garden there is a 5m wide path around it.The area of the path is in square meter.

650

700

350

500

1846. A man can cross 10 miles distance of a river in favor of the stream in 2 hours. He can come back against the stream along the same way is 5 hours.what is the average speed in miles per hour,for the entire trip ?

20/7

41189

41100

1110

1847. One kilogram is equal to :

2.21 Ibs

2.00 Ibs

2.32 Ibs

1.98 Ibs

1848. An ore contains 26% of copper,to get 91kgs of copper the quantity of are required is

355kg

240kg

350kg

none of these

1849. How many minute will it take police car to travel a distance of d miles if it travels at m mile per hour ?

60/dm

d/m

dm/60

60 d/m

1850. How many minute will it take police car to travel a distance of d miles if it travels at m mile per hour ?

60/dm

d/m

dm/60

60 d/m

1851. A company increases every year salary of an officer by 20%.his salary in the year 2001 was tk 26,640.what was his salary in 1999 ?

tk 20,000

tk 19,028

tk 18,500

tk 18,840

1852. How much will it cost to fence in a field that is 12 feet long and 42 feet wide with fence that cost $ 10 a yeard ?

$180

$360

$504

$540