Fraction and Decimal

26. An empty pool is being filled with water at a constant rate, 3/5 th of the pool has filled in 7 hours. How much more time will it take to completely fill the pool?

• ক. 5 hours 20 minutes
• খ. 4 hours 40 minutes
• গ. 4 hours 20 minutes
• ঘ. 2 hours 48 minutes

27. How much is .01 x 0.01 x 0.001 =?

• ক. 0.0100
• খ. 0.10000
• গ. 0.000001
• ঘ. 0.0000001

28. A man binds 112 books iin a day and his assistant work 1/4 as fast. How many days will it take them to bind 560 books, if each alone works on alternate days?

• ক. 8
• খ. 4
• গ. 2
• ঘ. 10

29. 0.03 times 0.05 is--

• ক. 0.015%
• খ. 0.015
• গ. 1.5%
• ঘ. 0.15%

30. Which of the following is equal to 5.16 × 100000?

• ক. 51600
• খ. 516000
• গ. 5160000
• ঘ. 5160

31. Which of the following is the largest? √0.3, 1/3, 2/5, 3/7, 4/11

• ক. 2/5
• খ. 1/3
• গ. 3/7
• ঘ. 4/11

32. Which one of the following is the largest?

• ক. 5/6
• খ. 11/14
• গ. 15/20
• ঘ. 12/15

33. Which one of the following has the greatest value?

• ক. 1/2
• খ. √.2
• গ. 0.04
• ঘ. √0.02

34. A class has 12 boys and 18 girls. What fraction of the class are boys?

• ক. 2/5
• খ. 3/5
• গ. 4/5
• ঘ. 3/2

35. A gas tank is 1/5 th full and requries 32 gallons more to make it 3/7 th full. What is the capacity of the tank?

• ক. 135
• খ. 140
• গ. 145
• ঘ. 115

36. There are 18 bananas on a tree. If one munkey eats 1/3 of the bananas and another monkey eats 1/3 of the rest, how many bananas are still on the tree?

• ক. 8
• খ. 6
• গ. 4
• ঘ. 16

37. A man's weekly salary is Tk.P. He saves Tk.M. What fraction of his weekly salary does he spend?

• ক. M/P
• খ. PM/P
• গ. (M - P)/P
• ঘ. (M - P)/M

38. If 2/3 of the number of women attending a certain dance is equal to 1/2 the number of men attending, what fraction of thoes attending are women?

• ক. 5/7
• খ. 3/4
• গ. 2/5
• ঘ. 3/7

39. A cylindrical jar that can hold 1.5 lilers of water is 7/10 th full. Approximately how much water in liters should be poured out of the jar sothat it becomes 7/10 th empty?

• ক. 0.75
• খ. 0.6
• গ. 0.5
• ঘ. 0.4

40. A cake weighting 750 gram has three ingredients: flour, sugar and fruits. There is twice as much as flour as sugar and one and a half times as much as sugar as fruits. What is the quantity of sugar(in grams) in the cake?

• ক. 125 gm
• খ. 50 gm
• গ. 100 gm
• ঘ. 250 gm

41. After filling the car's fuel tank, adriver drove from P and Q and then to R. He used 2/5 of the fuel driving from P and Q. If he used another 7 gallons to drive from Q to R and still had 1/4 of the tank full, what is the capacity of the tank in gallons?

• ক. 20
• খ. 21
• গ. 12
• ঘ. 18

42. A glass when full of milk, weighs one kg. When half full it weighs 3/4 kg; what is the weight of the empty glass?

• ক. .45 kg
• খ. 1 kg
• গ. 0.25 kg
• ঘ. 0.5 kg

43. When the numerator of a fraction increases by 4, the fraction increases by 2/3. The denominator of the fraction is:

• ক. 2
• খ. 3
• গ. 4
• ঘ. 6