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In an examination, 1100 boys and 900 girls appeared. 50% of the boys and 40% of the girls passed the examination. The percentage of candidates failed is--

1. A 45
2. B 45.5
3. C 54.5
4. D 59.2

20% of 0.2 is equal to--

1. A 0.04
2. B 0.4
3. C 1
4. D 4

If 10% of r is 20% of s, 20% of s is 30% of t and 100% or r is x% of t, then x is--

1. A 300
2. B 33.33
3. C 40
4. D 66.66

10 percent of 4800 is how much more than 8% of 4800?

1. A 80
2. B 84
3. C 96
4. D 98

Increasing the original price of an article by 15 percent and then increasing the new price by 15 percent is equivalent to increasing the original price by--

1. A 30.00
2. B 30.25%
3. C 31.00%
4. D 32.25%

In an examination 35% of total students failed in Bangla, 45% failed in English and 20% in both. The percentage of those who passed in both the subject is--

1. A 10
2. B 20
3. C 30
4. D 40

A bakery opened yesterday with its daily supply of 40 dozen rolls. Half of the rools were sold by noon and 80% of the remaining rolls were sold between noon and closing time. How many dozen rolls had not been sold when the bakery closed yesterday?

1. A 2 dozen
2. B 4 dozen
3. C 5 dozen
4. D 8 dozen

A student first reduced a number by 20 percent and then increased it again by 20 percent. If the difference between the two new numbers was 8, then what is the original number?

1. A 100
2. B 40
3. C 50
4. D 75

In a school election with three candidates, Zara receive 30 votes, Mamun received 50 votes and Humaira received 30 votes. What percentage of the total number of votes did Zara receive?

1. A 120%
2. B 60%
3. C 66.66%
4. D 80%

A reduction of 21% in the price of wheat enables a person to buy 10.5 kg more for Tk.100. What is the reduced price per kg?

1. A 2
2. B 2.25
3. C 2.30
4. D 2.50

There were twice as many girls as boys in a class. If 30% of the girls and 45% of the boys have already handed over their reports, what percent of the students have not yet done so?

1. A 25
2. B 35
3. C 50
4. D 65

Novera bought a ticket of a cricket match for Tk,25 and later sold the ticket to Nahid for Tk.75. What was the percent increased in the price of the ticket?

1. A 100%
2. B 200%
3. C 300%
4. D 50%