৩০৯৯১
At a certain high school, the respective weights for the following subjects are: General Math 3, Bangla 3, History 2, Science 2 and Art 1. What is a student's average whose marks were the following: Geometry 89, Bangla Literature 92, History 94, Biology 81, and Sculpture 85?
উত্তর
88.9
৩০৯৯২
In a factory there are 3 machines to perform a job. The newest machine can do the job in 3 days, another machine can do it in 4 days, and the third machine can do it in 6 days. How many days will the factory take to do the job using all three machines together?
উত্তর
1.333
৩০৯৯৩
Sobuj bought three pieces of material. The first piece is 1 yard 2 feet 6 inches long, the second piece is 2 yards 1 feet 5 inches long, and the third piece is 4 yards 2 feet 7 inches long. If the cost of the material is Tk. 36 per yard, how much did Sobuj spent?
উত্তর
Tk. 330
৩০৯৯৪
A manufacturer of TV wants to make a profit of Tk. 300,000 on sale of 200 TV sets. It costs Tk. 10,000 each to make the first 100 TV sets and Tk. 7,500 each to make TV sets after the first 100 sets. What should be the selling price of each TV sets in Taka?
উত্তর
10,250
৩০৯৯৫
From 7: 00 AM to 11:00 AM it rained 2.25 inches. At 11:00 AM the rain increased ti fall at a rate of 1.25 inches every two hours. How many inches of rain landed on the ground by 5:00 PM?
উত্তর
6 inches
৩০৯৯৬
A collection of books went on sale and 2/3 of these were sold for Tk. 2.30 each. If none of 36 remaining books were sold, what was the total amount received from the number of books sold?
উত্তর
180
৩০৯৯৭
How much longer in required to drive one mile at 60 miles/hour than at 100 miles/hour?
উত্তর
30 seconds
৩০৯৯৮
In a certain fashion house, which has four sizes of a specific shirt, there is one-third as many small shirts as medium shirts, and 1/2 as many large shirts as small shirts. If there are as many X-large shirts as large shirts, what percent of the shirts in the store are medium?
উত্তর
60%
৩০৯৯৯
Three athletes X, Y and Z start running around a circular track of length 60m from the same point simultaneously in the same direction at speeds of 3 m/s, 5 m/s, and 9 m/s respectively. After how long will they meet for the first time after they started running?
উত্তর
60 sec.
৩১০০০
A garments factory employs 3 categories of workers K, M and N. The efficiency of the 3 categories of workers to do a specific task is in the ratio of 3: 5: 6 respectively and the factory employs 15 of category K, 12 of category M and 3 of category N. If the total wages paid to the entire group of 30 workers is Tk. 492 per hour, what will be the wages earned by a category N worker for an 8-hour day?
উত্তর
Tk. 72