If n(A) = 25, n(B) = 40 and n(A ∪ B) = 50, then n(A ∩ B) equals
Given: n(A) = 25, n(B) = 40 and n(A ∪ B) = 50 To Find: n (A ∩ B) We know that, n(A ∪ B) = n(A) + n(B) - n(A ∩ B) ⇒ n(A ∩ B) = n(A) + n(B) - n(A ∪ B) ⇒ n(A ∩ B) = 25 + 40 - 50 ∴ n(A ∩ B) = 15
Statements:
Some fabrics are silks.
Some silks are cottons.
Conclusions:
I. At least some cottons are silks
II....
Statements:
Some duck are goose
No goose is a hen
Conclusions:
I. All goose are duck
II. Some hen are not duc...
Statements:
No contract is a bond.
Some bonds are agreements.
All agreements are collaborations.
Some collaborati...
Statements:
No Fire is Water.
Some Oil is Sugar.
Only a few Water is Sugar.
Conclusions:
Some Oil can never be Fi...
In the question below some statements are given followed by two conclusions I and II. You have to take the given statements to be true even if they see...
Statements :
Only a few year is month
Mostly month is day
Conclusions :
I. All year can be month
II. Few day is year
In the following question, three statements are given each followed by two conclusions I and II. You have to consider the statements to be true even if...
Statements: a. Some forests are trees.
b. Some trees are flowers.
c. All forests are deserts..
...
Statement:
Some jeans are not shirt.
All shirts are pant.
Some pants are not blazers.
Conclusion:
I. Some blaze...
Statements:
Only a few erasers are pencils
All erasers are pens
No pencil is a stencil
Conclusions:
I. Some erase...
