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preeti

Questions (10)

When calcium is allowed to react with nitrogen, N2, calcium nitride is formed, as shown in the following balanced chemical
1. 4 answers
2. 1,646 views
If sin theta=1/3then find the value of 2cot^2+2
1. 3 answers
2. 336 views
If the zeroes of the quadratic polynomial x^2+(a+1)x+bare 1& -3 find a&b
1. 4 answers
2. 542 views
Find the zeroes v^2+4root3v-15 & also verify relation b/w zeroes & its coefficient.
1. 2 answers
2. 694 views
find the surface area of abox with open top having dimensions 5,6,7metre
1. 1 answer
2. 309 views
(a) A polygon with n sides has a total of 1/p*n(n-q) diagonals, where p and q are integers.(i) find thhe value of p and q (ii)
1. 6 answers
2. 3,057 views
bus tickets cost $3 for an adult and $2 for a child. there are 'a' adults nd 'c' children on a bus. the total number of people
1. 3 answers
2. 1,071 views
a solid density D has weight W. If it is complerly immeresed ina liquid of density d then the apparent weight of the solid is
1. 4 answers
2. 3,486 views
integral arcsin(1/sqrt(2-x*2)
1. 1 answer
2. 365 views
if a force of 15N acts on a body in the direction of north and another force of 10N in south what is the resultant force acting
1. 4 answers
2. 1,309 views

and car starts from rest and acceleration uniformly at 2 m/second square for 10s .what is it's velocity at the end of 10s.
We have Rs.100/-.If we spend Rs.100/-and balance is Rs.102/-,show how is Rs.2/-extra

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