Others
Maths Puzzle
If increasing 20 by P percentage gives the same result as decreasing 60 by P percentage, what is P percentage of 70 ?
a)50
b)140
c)14
d)35
Read Solution (Total 6)
-
- d) 35
20+20P/100 = 60-60P/100 or 100+P=300-3P,P=50
So 50% of 70= 70*50/100=35 - 11 years agoHelpfull: Yes(15) No(2)
- Given, 20+P% = 60-P%---->2P% = 60 - 20
2P% = 40 ----> P% = 20.
Now, to find what % of P in 70, we put it as 20% of 70,
i.e 20/100 or 0.02 * 70 = 14
The Answer is 14.
- 11 years agoHelpfull: Yes(3) No(0)
- d)35 20+p/5= 60-6p/10
p= 50
then (70*50)/100 = 35 - 11 years agoHelpfull: Yes(1) No(2)
- ans is d- 35
as 20+ 20*p/100= 60-60*p/100
or, p= 50%
so 70* 50/100 = 35 - 9 years agoHelpfull: Yes(1) No(0)
- my answer is d means 35 because 20 inc so 20+20*p/100=60-60p/100 so we wiil sove this and p get 50 so 70*50%=35
- 11 years agoHelpfull: Yes(0) No(0)
- ans is 35
- 11 years agoHelpfull: Yes(0) No(0)
Others Other Question