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Question 1
Silicon is a
Question 2
Archaeopteryx had the following repetition characters
Question 3
Which of the following is comparatively a non-reactive gas?
Question 4
Which of the following is not a method of preparing oxygen?
Question 5
Identify the metal which is non toxic in nature.
Question 6
Ozone layer above the surface of Earth provides a shield against
Question 7
The rate at which scanning is repeated in a CRT is called:
Question 8
Painter ‘A’ can paint a house in 50 days and ‘B’ can do it in 25 days. With help of ‘C’, they did the job in 10 days only. Then, ‘C’ alone can do the job in
Question 9
If 
then the value of 
is :
then the value of is :Question 10
Value of (4a2 + 12ab + 9b2)/(2a + 3b) is
Question 11
If (a – 1)2 + (b + 2)2 + (c + 1)2 = 0, then the value of 
is:
is:Question 12
A number is greater than five times its reciprocal by 19/2. Find the number.
Question 13
Two vessels A and B contain milk and water mixed in the ratio 4 : 3 and 2 : 3. The ratio in which these mixtures be mixed to form a new mixture containing half milk and half water is
Question 14
Each edge of a regular tetrahedron is 3 cm, then its volume is
Question 15
By selling 90 ball pens for ₹ 160 a person loses 20%. Find the number of ball pens he should sell for ₹96 to earn 20% profit.
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Dec 9ESE & GATE CE
