Question

531:64: :365:169: :786:400: :983: ? I want full explanation ..

Answer 1

Heya...

See here for your answer...

==============

1st -- 5 +3 + 1 = 9
9 - 1 = 8
8^2 = 64

2nd -- 3 + 6 + 5 = 14
14 - 1 = 13
13 ^2 = 169

3rd -- 7 + 8 + 6 = 21
21 - 1 = 20
20^2 = 400

4th -- 9 + 8 + 3 = 20
20 - 1 = 19
19^2 = 361

So,, 361 is the answer....

Hope it helps you...

531:64::365:169::786:400::983:361

Thank you...

Answer 2

HI....!!

HERE IS YOUR SOLUTION WITH EXPLANATION....!!

IN FIRST CONDITION.....

5+3+1 = 9
9 -1 = 8
8² = 64

IN SECOND CONDITION .....

3+6+5 = 14
14 - 1 = 13
13² = 169

IN THIRD CONDITION .....

7+8+6 = 21
21 - 1 = 20
20² = 400:

IN FOURTH CONDITION .....

9+8+3 = 20
20 - 1 = 19
19² = $\bf\red{361}$.....

$\bf\green{531 : 64 : : 365 : 169 : :786 : 400 : :983 : 361}$

HOPE IT'S HELP YOU A LOT....!!

@ujjwalusri