An athlete runs M miles in 4 hours, then rides a bike N miles in the same number of hours. Which of the following represents the average speed, in miles per hour, for these two activities combined?
508 questions match · aqua_rat
Open
The total weight of a tin and the cookies it contains is 2 pounds. After 3/4 of the cookies are eaten, the tin and the remaining cookies weigh 0.8 pounds. What is the weight of the empty tin in pounds?
Varsha bought a Laptop for $1060, which was the retail price plus a 6 percent sales tax. How much money could she have saved if she had bought the stereo at the same retail price in a neighboring state where she would have paid a sales tax of 5 percent?
What is the interest due after 40 days for Rs. 3200 at 10% interest per year?
Jim filled his dog's bowl with dog food. Starting at 8:00 am, Jim's dog ate exactly once an hour, consuming exactly 1/3 of the dog food remaining in the bowl at each feeding session. Approximately, what percent of the original food was in the dog's bowl right before the dog began to eat at noon of the same day?
A rectangular piece of 150 sq m has a length which is 1m more than the 4 times the breadth. What is the perimeter of the piece?
Let A, B and C denote the vertices of a triangle with area 10. Let point D be on side AB,
point E be on side BC and point F be on side CA with AD = 2 and DB = 3. The area of
△ABE and the area of quadrilateral DBEF are the same. What is the value of this area?
If 0.497 mark has the value of one dollar, what is the value to the nearest dollar of 150 marks?
A car finishes a journey in 20 hours at the speed of 60 km/hr. If the same distance is to be covered in 10 hours, how much speed does the car gain?
A rope can make 70 rounds of the circumference of a cylinder whose radius of the base is 14cm. how many times can it go round a cylinder having radius 20 cm?
The H.C.F and L.C.M. of two numbers are 50 and 100 respectively. If the first number is divided by 2, the quotient is 50, the second number is:
A trader sold an article at a profit of 20% for Rs.360. What is the cost price of the article?
How many ways A boy can reach the top of stairs which contain 10 steps, when he can take either one or two steps every time?
When folded into two equal halves a rectangular sheet had a perimeter of 48cm for each part folded along one set of sides and the same is 66cm when folded along the other set of sides. Find the area of the sheet.
64 boys and 40 girls form a group for social work. During their membership drive, the same number of boys and girls joined the group. How many members does the group have now, if the ratio of boys to girls is 4:3?
The sum of odd numbers between 20 and 30 is
In how many ways can 5 different candies be distributed among 4 children? (Children could get 0 candies or more than one candy)
A book was sold for Rs 27.50 with a profit of 10%. If it were sold for Rs. 25.75, then would have been percentage of profit and loss ?
In how many ways to choose a group of 3 people from 6 couples so that no couple is chosen
A is 30% more efficient than B. How much time will they, working together, take to complete a job which A along could have done in 23 days?
A salesman makes a 10% commission on the selling price for each light switch he sells. If he sells 220 switches and the selling price of each switch is $6, what is his total commission?
The length of each side of an equilateral triangle having an area of 4√3 cm^2 is?
If a man rows at the rate of 4 kmph in still water and his rate against the current is 2 kmph, then the man's rate along the current is:
The mean proportional between 45 and a certain number is three times the mean proportional between 5 and 22. The number is ?
A rectangle has twice the area of a square. The length of the rectangle is 14 cm greater than that side of the square whereas breadth is equal to side of the square. Find the perimeter of the square?