This series consists of two different series one having 2 numbers as product in denominator and the other has three numbers as product in the denominator lat terms in each series is 1 / 19×21×23 and 1 /28×31 1 / 1×3×5 + 1 / 1×4 + 1 / 3×5×7 + 1 / 4×7 + 1 / 5×7×9 + 1 /7×10 +……. upto 20 terms = 1 / 1×3×5 + 1 / 3×5×7 + 1 / .. 1×4 + 1 / 4×7 + . . = 1 /4 (1 / 1×3 − 1 / 3×5 + 1 / 5×7 + 1 / 7×9 ... – 1 / 21×23 + 1 / 1×3 ( 1 / 1− 1 / 4 + 1 / 4 – 1 / 7 .. – 1 / 31) = 1 /4(1 / 1×3 – 1 / 21×23 ) + 1 / 1×3 (1 / 1 – 1 / 31) = 40 / 483 + 10 / 31 = 6070 / 14973
?= √(4 × ∛(16 × √(4 × ∛(16 ×…… ∝)) ) )
{(700 ÷ 20) × 40} – 30 × 18 = ?% of 1000
6 × 1.8 × 0.25 × 70 = ? + 9.5
5.45% of 1854 – 37.5% of 1096 = ? – 48% of 630
(3/7 )Of 3360 ÷ 240 + 30 = (?)²
32% of 4080 + 24% of 455 = x% of 4000
[(15)³ × (8)²] ÷ (90 × 6) = ?²
x= √(4 × ∛(16 × √(4 × ∛(16 ×…… ∝)) ) )
1120 / √x = 80 Then x = ?
(26)2 = {(20% of 40% of 18200) ÷ ?} × 1664 ÷ 128
