There will be a loss of 10% , if a chair is sold for TK. 540. At what price should the chair be sold to make a profit of 20% ?
A car-wash can wash 8 cars in 18 minutes. At this rate, how many cars can the car-wash in 3 hours ?
Organizers of a trade fair projected an increase of 20% in the number of visitors over the previous year, but the number of visitors actually increased by 50% . By what percentage was the actual number of visitors greater than the projected of visitors ?
P is now 8 years older than Q. 17 years ago P was twice as old as Q. How old will Q be in 10 years ?
Salim gets grades of 79, 83, 86 and 89 on four math tests . What grade must he get on his fifth test to average 85 ?
A man deposits TK. 600 in a Bank at 10% interest rate compounded annually . At the end of the second year, what will be the total amount including interest ?
35% of Buri's income is equal to 25% Nuru's income. The ratio of their income is :
In a class of 50 students , 18 take music, 26 take art , and 2 take both art and music . How many students in the class are not enrolled in either music or art ?
Mary says, " the number I am thinking of divisible by 2 or it is divisible by 3." This statement is false if the number Mary is thinking of is :
The value of -3-(-10) is how much greater than the value of -10-(-3) ?
Rahim and Karim each fire 20 shots at a mark and agree to register 4 points for every hit and to deduct 3 points for every miss. One hits the mark 12 times , the other 8 times . What are their separate scores ?
A total of TK. 450 is divided into equal shares. If kate receives four shares , Kevin received three shares, and Anna receives the remaining two shares, how much money did Kevin receive ?
The next 2 numbers of the series 2, 7, 1, 6 are -
If one angle of a parallelogram is 60 degrees, find the number of degrees in the remaining 3 angles ?
In a box, there are 8 red, 7 blue, and 6 green balls. One ball is picked up randomly , what is the probability that it is neither red nor green ?
x sells a product to y and makes a profit of 25% . Y sells it to z at a loss of 20% . If z buys it for TK. 140, what price did x pay for it ?
An empty bucket being filled with paint at a constant rate takes 6 minutes to be filled to 710 of its capacity. How much more time will it take to fill the bucket to full capacity?
1/5 of 30% of 0.60 = ?
The cost function of a product is 400 + 2x, where x is the number of units produced . How many units should be produced to make an average cost of TK. 2.5 per unit ?
In a class the ratio of boys and girls was 7 to 3. If there were 210 girls in the class, what was the number of boys in the class ?
A fair coin is thrown in the air four times. If the coin lands with the head up on the first three tosses, what is the probability that the coin will land with the head up on the fourth toss ?
Masum can do a job in 2 hours. Hashem can do the same job in 3 hours. If they work together , how many hours will it take to do the job?
If (x-y) = 10, and xy = 75, what is the value of x ?
A family had dinner in a restaurant and paid $30 for food. They also had to pay 9.5% sale tax and 10% for the tip. How much did the pay for the dinner ?