self Maths Puzzle

in a 100 meter race A beats B by 20 meter where as B beats by C 30 meter by what distance A beats C in that race?

Read Solution (Total 3)

Let the distance carried by C be x.
B=x+30
A=B+20=x+50
Hence,A beats C by 50 metres.
11 years agoHelpfull: Yes(1) No(1)

A-B=20---1
B-C=30----2
1+2
A-C=50
11 years agoHelpfull: Yes(0) No(1)
A=B+20 be equation---(1)
B=C+30 be equation---(2)
substiuting equation(2)in(1)
then A=C+30+20
A=C+50
therefore A beats C by 50 meters.
11 years agoHelpfull: Yes(0) No(0)

self Other Question

If the sides of a triangle are double than the area will be how many times of the original area? two school play against each other in a grace court tennis tournament. Each school is represented by 8 students. Every game is doubles game, and every possible pair from the first school must play one game against every possible pair from the second school. How many games will each student play?