Question
if √1+x/121 = 13/11 then find the value of
x.Solution
if √1+x/121 = 13/11 √(121+x) /121 =13/11 Squaring both sides (121+ x) /121 = 169/121 x = 169-121 = 48
13 22 40 67 103 ?
...92,  51,  21,  13.5,  x,  4.25
find the value of (10x + x -5)?
60  61  126  387  ?   7845
2, A, 9, B, 6, C, 13, D, ?
40 30 20 ? 7.5 4.375
9 15 90 95 475 479
6 a b c d e
Find the value of c.
...45    47    97    296    ?     5966
11Â Â Â 12.1Â Â Â Â 14.3Â Â Â Â 17.6Â Â Â Â Â 22Â Â Â Â Â ?
77 ? 190 257 331 412
...979.001 + 4.0087 × 82.79 = ?
...