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l+ b+ h = 20 Diagonal =12 Diagonal = √ l2+b2+h2 (l+ b+ h)2 = l2+b2+h2+ 2(l b+ b h +h l) (20)2 = (12)2 +2(l b+ b h +h l) 400 = 144 +2(l b+ b h +h l) 2(l b+ b h +h l) = 400-144=256 Total surface area of cuboid =256
Thousands of scientific investigation have confirmed the association of smoking with the number of diseases.
Identify the segment in the sentence that contains a grammatical error-
The taxi driver demanded fifty rupees to carry my luggages.
My friend told me that she was ‘ sickly tired’ of her working schedule.
Developmental activities of the government (a) / come to a standstill (b) / due to paucity of funds (c) / No Error (d)
I had to / call the event down / as there / weren’t enough participants.
