Others Maths Puzzle Logical Reasoning

A car has 4 number .whose 4the number is the double of the first number. 2nd and 3rd number equal .The last two number is the double of the first two number .
Then what is the car number ?

Read Solution (Total 3)

4998
thats it
10 years agoHelpfull: Yes(1) No(1)

Let no be x y y 2x
and 10y+2x = 2(10x+y)

On solving the equation we get 4y/9 = x

Only integer value of y possible is 9. Hence x =4
4998
10 years agoHelpfull: Yes(0) No(0)
Ans: 4998
4+9=13=1+3=4
9+8=17=1+7=8
5 years agoHelpfull: Yes(0) No(0)

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