1.

11.A wire of length 44 cm is bent in the form ot a squso formed.12. After 20 years John will be three times as old as he is nowFind his present age.

Answer»

Let his present age be x

After 20 years John age will be x + 20

According to question,

3x = x + 202x = 20x = 10

Present age of John is 10

Thank you



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