Others Maths Puzzle

In an election between two candidates, A and B, A secured 56% of the votes and won by 48000 votes. Find the total number of votes polled if 20% of the votes were declared invalid.

Read Solution (Total 2)

500000 is the answer

56/100 * x - 44/100 * x = 48000
x = 400000

v - 20/100 * v = 400000
v= 500000
11 years agoHelpfull: Yes(7) No(0)

total vote =x
votes of B=100-56-20=24
56*x/100-24*x/100=48000
x=1,50,000
11 years agoHelpfull: Yes(0) No(0)

Others Other Question

In a class, 50% of the students are boys. Of the girls, 45% are good at physics, 65% are good at chemistry and 60% are good at
maths. 30% are good at physics and chemistry, 35% are good at chemistry and maths and 25% are good at physics and maths.
Given that all the girls are good at least one of the three subjects mentioned, what is the number of girls who are good in all the three
subjects if there are 100 students in the class?
A) 10
B) 20
C) 8
D) 6 if 137+276=435 how much is 731+672?