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Total number of pens = 6 + 5 + 4 = 15 Three pens are chosen at random. Then, n(S) = ¹⁵C₃ = (15 ×14 ×13 )/(3 ×2 ×1) = 130 Quantity I. n(E) = ⁶C₂ × ⁴C₁ = 15 × 4 = 60 P(E) = 60/130 = 6/13 Quantity II. n(E) = ⁶C₁ × ⁵C₁ × ⁴C₁ = 6 × 5 × 4 = 120 P(E) = 120/130 = 12/13 ∴ Quantity I < Quantity II.
Statements:
Some squares are circles.
No circle is a traingle.
Conclusions:
Conclusions:
I. Some Medicines are not Pills.
II. Some Tablets being Medicines is a possibility.
Statements:
Statements:
Some pigs are dogs.
Some dogs are cat.
Conclusions:
I. Some pigs are cats. ...
Read the given statements and conclusions carefully. Assuming that the information given in the statements is true, even if it appears to be at varianc...
Statements: Some lion are tiger.
Some tiger are dog.
No ...
Statements:
Some copy are not book.
Only a few book are paper.
Only paper are notebook.
Conclusions:
Some copy may b...
Statements:
All Roses are Lotus
A few Lotus are Sunflower
No Sunflower are Tulip
Conclusions:
I. A few Tulip be...
Statements:
Only hands are legs
Few hands are arms
All arms are shoulders
Conclusions:
I. Some hands are shoulder...
Statement:
All Indian are Asian.
No Indian are Pakistani.
...
Some clouds are not blues. Some rains are skies.
