৩১১৬২
In a class of 25 students 44% are boys. What is the ratio of girls in the class?
উত্তর
11 : 14
৩১১৬৩
A box contains 24 balls , some are red and some are black. Each of the following could be the ratio between the red and black balls except
উত্তর
4: 3
৩১১৬৫
If 5 student run a mile in 5 minutes, how much time will 50 students take to run a mile?
উত্তর
0.1 minute
৩১১৬৬
A train travels from New York to Chicago, a distance of approximately 840 miles , at an average rate of 60 miles per hour and arrives in chicago at 6.00 in the evening , chicago time. At what hour in the morning. New York City time, did the train depart for chicago?
উত্তর
4:00
৩১১৬৭
A toy store regularly sells all stock at a discount of 20 percent to 40 percent. If an additional 25 percent were deducted from the discount from the discount price during a special sale, what would be the lowest possible price of a toy costing Tk. 16 before any discount?
উত্তর
Tk. 7.20
৩১১৬৮
Ina survey of the people in Dhaka, it was found that 65% of the people surveyed watched the news on television, 40% read a newspaper, and 25% read a newspaper and watched the news on television. what percent of the people surveyed neither watched the news on television nor read a newspaper?
উত্তর
20%
৩১১৬৯
Jane, Karim and Leo checked out books from the library. Jane has an even number of library books. Karim has 3 more library books than Jane. Leo has 2 more library books than Karim. Which statement is true about the number of library books Karim and Leo have?
উত্তর
Karim's number is odd, and Leo's number is odd.