Ahmed sold a T- shirt TK. 810 again 8%. How much did he purchase it for?
A restaurant makes 20% profit after selling a set menu at a discount of 20% . What is the percentage increase of marked price?
a2-b2=20 ; a+b=5, what is the value of a - b ?
x+y=5, x+4y=4, what is the value of 4x2+16y2?
You are lookng at a billboard 40m away with an angle of elevation of 30°. At what height is the billboard?
What is the propability of getting a sum of six if two dices are thrown at once?
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.
In a room of 36 people. 20 players play chase while 28 players play poker. How many players play both?
A fair six side dice is rolled. Find th probality of getting an odd number or a number less than 4.
How many positive integers less than ten thousand are multiples of both eight and eighteen.
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.
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?
5 years ago the ration of father's age to son's age was 5:1 and 2 years later father's age will be 3 times his sons's age. What is ration of their present age?
What is the value of a If 3x2+ax+a+3 divisible x+2?
A train 220 m long is moving at 45km/h. The time taken by the train to crosse tunned 260m long is-
একটি ত্রিভুজের তিনটি কোণের অনুপাত ৫ : ৬ : ৭ হলে, বৃহত্তম কোণের পরিমাণ কত ডিগ্রি?
একটি কলম ২৫ টাকা কলম ২৫ টাকায় বিক্রয় করলে যে ক্ষতি হয় ৩৫ বিক্রয় করলে ৩৫ টাকা লাভ হয়। উহার ক্রয়মূল্য কত?
১০০ জন শিক্ষার্থীর গণিতে গড় নম্বর ৭০, এদের মধ্যে ৬০ জন ছাত্রীর গড় নম্বর ৭৫ হলে ছাত্রদের গড় নম্বর কত?
ক এর চেয়ে খ ততোখানি ছোট যতোখানি বড় গ এর চেয়ে। ক এবং গ এর বয়সের সমষ্টি ৪৮। খ এর বয়স কত?
The factor of 4x4+1 is