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Width of the rectangular piece of copper foil = 924/21 = 44 cm Since the foil is folded along its width to form a cylinder without any double layer, circumference of the cylinder formed = width of the rectangular foil Also, height of the cylinder so formed = length of the rectangular copper foil So, 2 × π × radius = 44 Radius of cylinder = 44 ÷ (2 × 22/7) = (44/44) × 7 = 7 cm So, volume of the cylinder so formed = π × (radius)2 × height = (22/7) × 7 × 7 × 21 = 3234 cm³
Some tablets are medicines. Some syrups are not capsules. Some tablets are not syrups.
Statements:Some students are Rich.
No Rich is a teacher.
Conclusions:I. Some teacher are not Rich.
Statement:
Only a few P are Q
Statements:
All Books are Flight.
Only a few Flight are Ticket.
No Ticket is a Memo.
Conclusions:
Conclusions:
I. All Writers can be Novels.
II. Some Novels are not Magazines.
Statements:
Statement:
Some Maths are Physics
Few Physics are not Chemistry
Only English is Chemistry
Conclusion:
Statements:All Januarys are Februarys.
No February is March.
All marches are Aprils.
Conclusions:I. some March are not Februarys.
