যদি s>0 হয়, তবে প্রমাণ কর যে, L cos at= ss2-a2.
১০ জন লোক একটি কাজ ২০ দিনে সম্পন্ন করে । ৮ জন লোকের কাজটি সম্পন্ন করতে কত দিন লাগবে?
একটি সমবাহু ত্রিভুজের বাহুর দৈর্ঘ্য 4 মিটার হলে, ত্রিভুজটির ক্ষেত্রফল কত বর্গমিটার?
|x - 2| < 5 হলে, নিচের কোনটি সঠিক?
If x > y, and w < x, which of the following is always true ?
If p = the number of months in 7 years and q = the number of days in 12 weeks
The savings of an employee equals income minus expenditure. If their incomes ratio is 1 : 2 : 3 and their expenses ratio is 3 : 2 : 1, then what is the order of the employees A, B and C in the increasing order of the size of their savings?
Which one of the following is equal to 1/4 of 0.01 percent ?
If b<2 and 2x-3d=0, which of the following must be true?
For which of the following values of n is 100+n/n not an integer?
In the formula e = hf . if e is doubled and f is halved , what happens to the value of h?
A particular carmaker sells four models of cars , and each model comes with 5 options. How many different types of cars does the carmaker sell?
একটি বর্গাকার ক্ষেত্রের ক্ষেত্রফল ৪৮৪ বর্গমিটার হলে পরিসীমা কত?
The value of 0.4*0.04*0.004*40 is --
A woman says, "If you reverse the digits my age, the figures represent my husband's age. He is senior to me and the defference between our ages is one-eleventh of their sum. "What is her age now?
A car moves at the speed of 80 km/hr. What is the speed of the car in meters per second ?
3x-1#2x is true for all values of x EXCEPT
If y = ( 3x - 6 )/x, then for what values of x, y will be positive?
If b <2 and 2x-3b=0, which of the following must be true?
If x + 1 > 1 - 2x then