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Karim can buy single poster boards for 80 paisa each or a package of 12 poster boards for Taka 7.50. How much more (in Taka) would Karim have to pay for 3 dozen poster boards if he buys them individually than if he buys them in packages?
A
6.30
B
2.30
C
5.40
D
None of the above
Correct Answer:
6.30
If 8 dozens of bananas are purchased at the rate of Taka 30 per dozen and 12 dozens are purchased at Taka 25 per dozen, what rate per dozen it should be sold to make a profit of Taka 3 per dozen?
A
Taka 35
B
Taka 25
C
Taka 30
D
`Taka 40
A man purchased equal number of banans at two different rates one at the rate of 8 taka per dozen and the other at the rate of 10 taka per dozen. After that , he sold those bananas at an average rate of 11 taka per dozen and thus made a profit of 100 taka. How many dozens of banana did he purchase altogether?
A
60
B
50
C
55
D
45
In a cash box, there are equal numbers of 10 paisa, 25 paisa and 50 paisa coins. If the box contains Tk. 170 in total of the three coin denominations, then what is the number of 10 paisa coins?
A
20
B
80
C
200
D
2000
In a cash box, there are equal number of 10 paisa, 25 paisa and 50 paisa coins. If it contains Tk. 170, then what is the number of 10 paisa coin?
A
100
B
200
C
220
D
150
A bag has coins of 50 paisa, 25 paisa and 10 paisa in the respective ratio of 5 : 8 : 3 whose total value is Rs.144. Find the number of 50 paisa coins.
A
163
B
175
C
200
D
150
A man buys oranges at Rs 5 a dozen and an equal number at Rs 4 a dozen. He sells them at Rs 5.50 a dozen and makes a profit of Rs 50. How many oranges does he buy?
A
30 dozens
B
40 dozens
C
50 dozens
D
60 dozens
A poster is on top of a building. Rajesh is standing on the ground at a distance of 50 m from the building. The angles of elevation to the top of the poster and bottom of the poster are 45° and 30° respectively. What is the height of the poster?
A
$$\frac{{50}}{{\sqrt 3 }}\left( {\sqrt 3 - 1} \right)$$
B
$$50\sqrt 3 \,{\text{m}}$$
C
$$50\sqrt 3 \,{\text{m}}$$
D
None of these
One dozen eggs and ten pounds of apples have the same price. If the price of a dozen eggs rises by 10% and the price of apples goes up by 2%, how much more will it cost to buy a dozen eggs and ten pounds of apples?
A
2%
B
6%
C
10%
D
12%
One dozen of eggs and ten pounds of apples have the same price. If the price of a dozen of eggs rises by 10% and the price of apples goes up by 2%, how much more will it cost to buy a dozen eggs and ten pounds of apples?
A
2%
B
6%
C
10%
D
12%
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 ?
A
Karim's number is odd, and Leo's number is odd.
B
Karim's number is odd, and Leo's number is even.
C
Karim's number is even, and Leo's number is odd.
D
Karim's number is even, and Leo's number is even.