Which of the following CANNOT be a value of 1/(x+1)?
A train traveled p miles in 40 minutes and completed the remaining 200 miles of the trip in q minutes. What was its average speed in miles per hour for the entire trip?
When the positive integer n is divided by 18, this remainder is 7. What is the remainder when n is divided by 6?
A ferry can carry 24 buses or 36 cars at a time if there are 18 buses on the ferry,how many cars can be loaded onto it?
Topu's income is Tk.2,000 more than that of Jamal. Their total salary is Tk.x. What is Jamal's salary?
Mr. Jamal employed 50 workers to finish a work within 30 days. After 20 days he found out that only 50% work had been completed. How many additional workers would be need to finish the task in scheduled time?
The ratio of boys and girls in a class is 4:5. If 10% of the boys and 20%of the girls failed In an examination,what percentage of students passed in the exam?
In a store,shirts are sold for 25% less than the tag price. If a shirt costs Tk.480, what would be the tag price of the shirt to make a 25% profit on its cost?
Arif is 4 times as old as Bobby,in 6 years, Bobby will be twice as old as Sara. Four years from now Arif will be 36 years old,how old will Sara be in 5 years?
If the average (arithmetic mean) of x and y is 60 and the average(arithmetic mean)of y and z is 80,what is the value of(z-x)?
Five boys or 9 girls can do a piece of work in 19 days.In how many days can 3 boys and 6 girls do this work?
By selling a TV for Tk.29,500 instead of Tk.30,000,the profit decreases by 10%. What is the cost of the TV in Taka?
Price of 2 pencils is less than 20% of price of a pen. What is the ratio of the price of a pen to that of a pencil?
If xy>0 and yz<0, which of the followings must be negative?
A retailer buys pens in packs of 24 for Tk.336/pack and then resells them in packs of 5 for Tk.80/pack. If the retailer sold all the pens it purchased and made a profit of Tk.960. How many packs of pens did the retailer purchase?