Question

If 9=10,8=18,7=24,5=30 then 3=?

Answer 1

GIVEN,

9=10,8=18,7=24,5=30

TO FIND,

value of 3=?

SOLUTION,

in the given sum we see a pattern, let us discover this,

1. 9 = 10

  9x1 +1 = 10

2. 8 = 18

 8x2 + 2=18

3. 7= 24

 7x3+ 3 =24

4. 5= 30

5x 5 +5= 30

we see the number is multiplied and again added by the same number in reverse orders,

9-1, 8-2, 7-3, 6-4, 5-5, 4-6, 3-7, 2-8, 1-9

hence we can calcuuate the value for 3 likewise.

5. TO FIND

3 =?

3x 7 +7= 28

here we multiply and add 7.

HENCE THE VALUE 3= 28.

Answer 2

CONCEPT

1+9=10

2+8=10

3+7=10

4+6=10

5+5=10

6+4=10

7+3=10

8+2=10

9+1=10

GIVEN

9=10

8=18

7=24

5=30

FIND

value of 3

ANSWER

28

SOLUTION

9 = 10

9x1 +1 = 10

8 = 18

8x2 + 2=18

7= 24

7x3+ 3 =24

5= 30

5x 5 +5= 30

likewise

6=28

6 x 4+4=28

4=30

4x6+6=30

3=28

3x7+7=28

2=24

2x8+8=24

1=18

1x9+9=18

hence 3=28

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