Question

If 347=5 and 684=9 then what is 388 ​

Answer 1

347

3+4+7=14

1+4=5

347=5

684

6+8+4=18

1+8=9

684=9

388

3+8+8=19

1+9=10

1+0=1

388=1

Answer 2

Answer:

The value of 388 is 1.

Step-by-step explanation:

It is given that 347=5 and 684=9.

We need to find the value of 388.

Add all digits of the given number then add digit of resultant number. Follow this steps until you get a single digit number.

$3+4+7=14$

Now, Add 1 and 4.

$1+4=5$

Similarly,

$6+8+4=18\Rightarrow 1+8=9$

$3+8+8=19\Rightarrow 1+9=10\Rightarrow 1+0=1$

Therefore the value of 388 is 1.