The price of a cycle is reduced by 25% . The new price is reduced by a furthr 20% . The two reductions together are equal to a single reduction of
If 4x is 9 greater than the sum of x and 3y then x is how much greater than y?
By how much is 11% of 22.2 less than 10% of 24.4 ?
Aaron has 3 times as much money as josh. If Aaron gives Josh $50. Josh will then have 3 times as much money as Aaron. How much money do they have together ?
e Five years ago father's age was seven times of his son's age . Then years hence their ages will be in the ration of 5:2 Find their present ages.
A buzzer sounds every 15 minutes If the buzzer sounded at 12:40 which of the following could be a time at which the buzzer sounded?
A shopkeeper lives discount of 10% on the marked price of a transistor but in the bargain makes a profit of 10% . If the marked price of the transistor be Tk. 330 the cost is:
Two years ago the average age of a family of 8 members was 18 years , After the addition of a boy the average age of the family remains the same today. What is the age of the baby.
The average weight of 5 men is increased by 2 kg . when one of the men whose weight is 60 kg is replaced by a new man . The weight of the new man is:
Due to 30% fall in the price of television sets there is rise of 20% in the sales. How will the income of the shop be affected?
THe population of a town was 54243 in 1975 and 49200 in 1984 . If the rate of chage per thousand per year remains unchanged what was the population in 1989?
At simple interest Tk. 800 becomes Tk. 920 in 3 years. If rate of intest is increased by 3% then total amount becomes .
A dog takes 4 leaps for every 5 leaps of hare and 3 leaps of the dog is equal to 4 leaps of a cat . Compare the speed of the speed of the hare and the cat.
If the cost of a long distance phone call in C taka for the first minute and (2/3) C taka for each additional three minute. what is the cost in taka of a ten minute call of this type?
There were twice as many girls as boys in a class If 30% of the girls and 45% of the boys have already handed over their reports , what percent of the students have not yet done so?
K এর মান কত হলে 3x-4y+1=0 এবং 4x+ky+22=0 সরলরেখা দুইটির মধ্যবর্তী কোণ একসমকোণ হবে?
(3, -4) বিন্দুটি 3(x²+y²)=25x বৃত্তের কোথায় অবস্থিত-
y=ln1+x1-x হলে dydx এর মান হবে-
x2+2x9 এর বিস্তৃতিতে x বর্জিত পদের মান কত?
পৃথিবীর পৃষ্ঠে 110.5 কিলোমিটার দূরে অবস্থিত দুটি বিন্দুর সংযোজক রেখা যদি পৃথিবীর কেন্দ্রে 1° কোণ উৎপন্ন করে তবে পৃথিবীর ব্যাসার্ধ কত কিলোমিটার?