In a bag, there are coins of 25 p, 10 p and 5 p in the ratio of 1 : 2 : 3. If there is Rs. 30 in all, how many 5 p coins are there...
fully simplify 6+4r+2-9r
convert 7900000mm^3 into m^3
how to differentiate natural log from first priciples
the nth term of a sequence is given by t [N] = 4n squared. what are the 1st 3 terms of the sequence
17!/(10!)(6!)
convert 0.0062km^2 into cm^2
fully simplify 8g+5k-6g-3k+13-13-2g
use the conversion 1 litre = 1.8 pints to convert 360 pints into litres
2-(3*6)