There are 900 students in a school . 4% of them left the school and 50% of the remaining are girls. How many girls remained?
The minimum value of 2x2 +8x -5 is
If the market price of a unit is Tk 25, the revenue of selling five units in Taka is --
25
৫
-250
১২৫
None of them
There are 12 more apples than oranges in a basket of 36 apples and oranges. How many apples are in the basket?
Bina is 10 years older than Mim . In 7 years time. Bina will be twice as old as Mim.
If product of 3 consecutive integers is 120, then the sum of the integers is--
If 15 is the fifth number in a series of 5 consecutive odd numbers, what is the third number in the series?
The difference of two numbers is 7 and their product is 60 , then one of the two numbers must be -
A woman had 50 ducks . All but 8 died. How many ducks are still alive?
Reza's average in four tests is 80% . what marks does he need in his fifth test to raise his average to 84% .
Which fraction is the largest?
A 5% monthly salary increase resulted in a salary increase of TK. 6,000 per year for an employee. What was his monthly salary before the increase?
If the sum of the 3 consecutive integers is 240 , then the sum of the two larger integers is:
Rice is now being sold at Taka 20 a kg. During last month its rate was Taka 16 per kg . By how much percent should a family reduce its consumption so as to keep the expenditure fixed?
A person walking 5/6 of his usual rate is 40 minutes late. What is his usual time?
what is the number of integers between 101 and 199 which exactly divisible by 5 or 7?
If selling price is doubled, the profit triples, Find the profit percent,
The average weight of 8 persons increases by 2.5 kg when a new person comes in place of one of them weighing 65 kg . What might be the weight of the new person?
3 pumps , working 8 hours a day, can empty a tank in 2 days. How many hours a day must 4 pumps work to empty the tank in 1 day?
Running at the same constant rate 6 identical machines can produce a total of 270 bottles per minute . At this rate, how many bottles could 10 such machines produce in 4 minutes?
what least number must be added to 1056 , so that the sum is completely divisible by 23?
Tickets numbered 1 to 20 are mixed up and then a ticket is drawn at random. what is the probability that the ticket drawn has a number which is a multiple of 3 or 5?
If x2+y=4 and x-y=- then x+y4 is
One dog tells the other that there are two dogs in front of me. The other one also shouts that he too had two behind him. How many are they?