Which of the following is used in pencils?

A Graphite
B Silicon
C Charcoal
D Phosphorous

Correct Answer: Graphite

Most pencil cores are made of graphite powder mixed with a clay binder. Graphite pencils (traditionally known as 'lead pencils') produce grey or black marks that are easily erased, but otherwise resistant to moisture, most chemicals, ultraviolet radiation and natural aging.
Bissoy MCQ
#সাধারণ জ্ঞান #Standard Bank Ltd #Standard Bank Ltd - Asst. Officer - 13.07.2012

Related Questions

'Some pencils are pens' and 'all pens are erasers' . If both these statements are true then which of the following statement (s) os /are definitely true? I. All pencils are erasers II. Some erasers are pencils III. All erasers are pencils
A Only I
B both I and III
C Both I and II
D Only II
The XYZ Corporation sells pens, pencils, and erasers. The pens make up 2/5 of all sales, the pencils 1/10 of pens and the erasers 1/2 of pens and pencils together. What percentage of all sales is for eraser?
A 50%
B 44%
C 22%
D 20%
The ratio of Pens and Pencils in a shop is 3 : 2 respectively . The average number of Pens and Pencils is 180. What is the number of Pencils in the shop?
A 444
B 244
C 344
D 144
If p number of pencils cost c paisa, how many pencils can be bought for taka?
A 100 pd/c
B 100 cd/p
C 10 cp/d
D 100 d/cp
The selling price of 4 pencils is equal to the purchase price of 5 pencils. What is the profit margin?
A 30%
B 25%
C 20%
D 15%
A person needs to pay Tk. 500 to buy pencils and Tk. X for any additional unit of pencil . If the customer pays a total of Tk. 4,700 for 1200 pencils, what is the value of X ?
A 4.0
B 3.91
C 3.85
D 3.5
A person needs to pay Tk. 500 to buy pencils and Tk. X for any additional unit of pencil. If the coustomer pays a total of Tk. 4,700 for 1200 pencils, what is the value of X?
A 4.0
B 3.91
C 3.85
D 3.5
Anwar has 4 pens and 2 pencils and Anis has 6 pencils. How many pens should Anwar give to Anis so that the ratio of pen to pencil for both of them becomes the same?
A 1
B 2
C 3
D 4
Anwar has 4 pens and pencils and Anis has 6 pencils .How many pens should Anwar give go Anis so that the ratio of pen to pencil for both of them becomes the same?
A 1
B 2
C 3
D None
If p pencils cost c cents, how many pencils can be bought for d dollars?
A cdp
B 100cdp
C dp/100c
D 100dp/c

Next steps