Question

a) IS
b) 81
11. In a two digited number, if the ten's digit is '2' more than the units digit and sum of the digits is 1÷7of the
whole number, then the number is
b) 64
c) 24
d) 42
[ ]
a) 97​

Answer 1

Answer:

42 is the answer

hit and trial method is the best method for this type of question

Answer 2

Answer:

The number is 10x+20+x=11x+20

sum of the digit =x+2+x=2x+2

so 2x+2=1/7(11x+20)

14x+14=11x+20

3x+6

x=2

The number =11x2+10=42.

So your answer is 42.

Step-by-step explanation:

Hope it's help u ✌️.