.১×.০১×.০০১=?
টাকায় ৩টি করে আম ক্রয় করে টাকায় ২টি করে বিক্রয় করলে শতকরা কত লাভ হবে?
টাকায় ৩টি করে কিনে টাকায় ২টি করে বিক্রি করলে শতকরা কত লাভ হয়?
২০০ টাকায় ৮টি কমলা ক্রয় করে প্রতিটি কমলা কত টাকায় বিক্রয় করলে ৪০% লাভ হবে?
দুটি বৃত্তের পরিসীমার অনুপাত ১:২ হলে তাদের ক্ষেত্রফলের অনুপাত কত?
If (3m = 2n) and (6n = 7k), What is the ratio of 'm' to 'k'?
The area of a rectangle is 200 sq. meter . If the length is twice the breadth , what is the perimeter of the rectangle ?
If a number of divisible by 102, then it is also divisible by :
300%
700%
800%
1000%
None of these
A 140 liter mixture of milk and water contains 20% water. How much milk , in liter, must be added to the mixture so that the new mixture will contain a water and milk ratio of 1 : 7?
A wheel makes 1000 revolutions in covering a distance of 88 km. The diameter of the wheel is -
If 4 times an integer x is increased by 10 , the result is always greater than 18 and less than 34 . what is the least value of x?
Danny attended a test containing 40 questions. If he had corrected 18 questions out of the first 22 and two-third of the remaining questions, what percent of all the questions did he answer correctly?
In a class , the ratio of the number of boys to girls is 5 : 3 . What percent of the students of the class are girls ?
Karim has exactly 3 times as many Bangladesh as non-Bangladesh stamps in his collection . Which of the following cannot be the number of stamps in Karim's collection ?
To produce an old photograph, a photographer charges x dollars to make a negative, 3x/5 dollars for each of the first 10 prints, and x/5 dollars for each print in excess of 10 prints. If 45 dollars is the total charge to make a negative and 20 prints from an old photograph, how many dollars the photographer charges to make a negative?
9
0
২৩
135
59
কোনটি দৈর্ঘ্যের একক নয়-
x-1x=3 , x2+1x2=?