If two planes leave the same airport at 1:00 PM, how many miles apart will they be at 3:00 PM if one travels directly north at 150 mph and the other travels directly west at 200 mph?
Sarah need to make a cake and some cookies. The cake requires 3/4 cup of sugar and the cookies require 3/5 cup of sugar. Sarah has 15/16 cups of sugar. Does she have enough, or how much more does she need?
Find the volume of a triangular solid cylinder with the following dimensions : 4 feet base, 3 feet height of triangle and 10 feet height of the cylinder?
Mr. Jaman is insured completely for Tk. 1,50,000 against damages to his machinery. For any damage over Tk. 1,50,000 the insurance company will pay Tk. 1,50,000 plus only 15% of the additional damage. For a recent accident, Mr. Jaman was paid Tk. 1,56,000 by the insurance company. What was the total amount of the damage estimated?
When Ehsan was preparing to make a tape from some of his favourite songs, he notices that the Hadi's song was 1 minute longer than Bonna's song and Niaj's song was 1 minute less than twice as long as Bonna's song. If the total time for these three songs is 12 minutes, how long is Niaj's song?
Employees of a discount appliance store receive an additional 20% off of the lowest price on an item. If an employee purchases a dishwasher during a 15% off sale, how much will he pay if the dishwasher originally cost $450?
Melinda's lights went out. She has 3 pairs of red socks in her drawer, 2 pairs of black socks, and 5 pairs of white socks. What is the minimum number of pairs she must remove from the drawer to ensure that she has a pair of each color
3
৫
7
9
None of these
The elevator in an eleven-storied office building travels at the rate of one floor per 1/4 minute, which allows time for picking up and letting down passengers. At the main floor and at the top floor the operator stops for 1 minute. How many complete (return) trips will the operator make during a 7 hours period?
To produce an old photograph, a photographer charges x dollars to make a negative 3x/5 dollars for each of the first 10 prints, and x/5 dollars for each print in excess of 10 prints. If 45 dollars is the total charge to make a negative and 20 prints from an old photograph, how many dollars the photographer charges to make a negative?
If the coordinate of A and B are (4, 1) and (-2, 7) respectively, then the coordinates of the midpoint of AB are :
The area of a rectangular R with width 4 feet is equal to the area of a square S which has a perimeter of 24 feet. The perimeter of the rectangular R, in feet, is :
If the sales tax on an appliance priced at Tk. 300 is between 5% and 8%, then the cost (price plus sales tax) of the appliance can be :
Of the 45 families in a locality, 25 families have working mothers and 10 families have retired individuals as members to look after the children at home. Of the families, 8 have both working mothers and retired individuals as members. How many of the families have working mothers but no retired individuals as members?
Two cyclists start biking from a trail's start 3 hours apart . The second cyclist travels at 10 miles per hours and starts 3 hours after the first cyclist who is traveling at 6 miles per hour. How much time will pass before the second cyclist catches up with the first from the time the second cyclist started biking?
In group of 15 high school students, 7 study Latin, 8 study French and 3 study neither Latin nor French. How many students study both Latin and French?