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Gaseous CFCs can deplete the ozone layer when they slowly rise into the stratosphere, are broken down by strong ultraviolet radiation, release chlorine atoms, and then react with ozone molecules
(34.98% of 619.86 + 25.12% of 132.26) ÷ 14.86 × 23.98 = ? × 25.12
(3/7 of 1049.88 + 44.95% of 799.79) ÷ (√168.89 + 24.77% of 400.11) = ?
(5.013 – 30.04) = ? + 11.98% of 4799.98
15.63% of 174.99 + √? = 139.98% of 24.98
16.01(? × 8.09 ÷ 16.09) = 3.01 of 69.69 + 14.12 of 4.01 - 100.998 of 2.19
111.89 × 4.12 – 504.04 ÷ 2.12 = 170.12 + ?
‘A’ and ‘B’ can build a wall in 8 days and 12 days, respectively. If ‘A’ started building the wall alone but after 4 days he was replaced by...
√29584.11 × √ 440.9 – (24.02)2 =? × 2.95
(4.88 × 5.76)2 - ?2 = 39.89 × 19.86