y=x10 হলে y10=
x2+y2+2ay=0 বক্ররেখাটির উপর কোন বিন্দুতে স্পর্শক x অক্ষের সমান্তরাল; স্পর্শকটির ঢাল-
x = c বিন্দুতে f(x) ফাংশনের গুরুমান থাকবে যদি=-
Six men can earn as much as eight women, two women can earn as much as three boys and four boys can earn as much as five girls. If a girl can earn Tk. 50 a day, what amount can a man earn in a day?
Two ships leave a port at the same time, Ship A sails 300 miles to West and Ship B Sails 400 miles to the North. How fat apart are the ships at the end of their trips?
For a picnic, a bus was rented for Tk. 2400 and it was decided that every passenger would have to share the fare equally. But due to the absence of 10 passengers, fare per head was increased by Tk. 8. How many passengers did go by the bus?
Present age of mother is 4 times the sum of the ages of her two daughters, After 5 years, mothers ages will be twice the sum of the ages of the two daughters, What is the present age of the mother?
Outside a square garden there is a path of 5 metres width around it, If the area of the path is 500 square metres, what is the area of the garden?
A sport goods store ordered an equal number of white and yellow tennis balls. The tennis ball company delivered 30 extra tennis ball, making the ratio of white balls to yellow balls 6:5, How many tennis ball did the sport goods store originally order?
The sum of three digits of a number is 10, The middle digit is equal to the sum of other two, and the number will be increased by 99 if the first and third digits be interchanged. What is the original number?
A person spends 20 percent of his monthly salary for his son's education, In the coming month, he is expected to get an increment also for his son's education, The total he would spend then for his son's education would be Tk. 645. What is the present salary of that person?
যে শর্তে a+bx+cx2=0 এর মূলরেখাগুলো বাস্তব ও সমান হবে তা হলো-
limx→0tan-1xx এর মান -
(1,f(1)) বিন্দুতে বিদ্যমান নর্মারে ঢাল হলো-
limx→asinx-abb(x-a) এর মান-
∫p1f(t)dt জ্যামিতিভাবে বুঝায়-
g-1 বিদ্যামান থাকার শর্তে g(g-1(x)) এর মান সর্বদাই-
L=b11b12b21b22 হলে aL এর সমান-
দুইটি সদৃশ সমান্তরাল বল পরস্পরের সাথে স্থান পরিবর্তন করলেও যদি তাদের লব্ধির অবস্থান অপরিবর্তিত থাকে তবে-
-1,-2,0,1,2,3,4,5 এর অংকগুলোর সাহায্যে যা গঠন করা যায় না তা হচ্ছে-