২৮২০১
A leader rests against a wall is perpendicular to the ground if the bottom of the ladder is 4m away from the bottom of the wall, while the top of the ladder is at a height of 3m. What is the length of the ladder.
উত্তর
5m
২৮২০২
একটি পাত্রে দুধ ও পানির অনুপাত ৫: ২। যদি পানি অপেক্ষা দুধের পরিমাণ ৬ লিটার বেশি হয় তবে পানির পরিমাণ কত লিটার?
উত্তর
৪ লিটার
২৮২০৩
a, b and c are positive integers. If b equals the square root of a, and if c equals the sum of a and b, which of the following could be the value of e?
উত্তর
30
২৮২০৪
A boat sailing against a stream of river takes 6 hours to travel 24 kms while sailing with thestream it takes 4 hours to travel the same distance. What is the speed o fthe stream?
উত্তর
1 km/hr
২৮২০৫
In a room of 36 people. 20 players play chase while 28 players play poker. How many players play both?
উত্তর
12
২৮২০৭
The hypotenuse of a right triangle is 2 centimeters more than longer side of the traiangle is 7 centimeters less than the longer side. Find the length of the hypotenuse.
উত্তর
17
২৮২০৮
How many positive integers less than ten thousand are multiples of both eight and eighteen.
উত্তর
138
২৮২০৯
The H.C.F and L.C.M of two numbers are 12 and 288 respectively. If one of the numbers is 96. Find the other.
উত্তর
36
২৮২১০
The ration of male student of female students ina class is 13 t0 19. If there are 224 people in the class, including one teacher. One administrator and thirty evaluations. How many people in the class are male students?
উত্তর
78