'&' is a Logical Symbol and is called as Ampersand.
^ is called Caret
- is called Bar
v is called Reversed Caret.
8(6+5) - 10 = ?
? = 8(11) - 10
? = 88 - 10
? = 78.
A regular Pentagon have 5 sides and 5 lines of symmetry.
This would not mean that K and L will always be together. It just implies that, if K is there, then L will also be there.
At the same time, it can happen that L is there but K isn't.
Remember, the condition is on K, not on L.
This question concerns a committee's decision about which five of eight areas of expenditure to reduce. The question requires you to suppose that K and N are among the areas that are to be reduced, and then to determine which pair of areas could not also be among the five areas that are reduced.
The fourth condition given in the passage on which this question is based requires that exactly two of K, N, and J are reduced. Since the question asks us to suppose that both K and N are reduced, we know that J must not be reduced:
Reduced :: K, NNot reduced :: J
The second condition requires that if L is reduced, neither N nor O is reduced. So L and N cannot both be reduced. Here, since N is reduced, we know that L cannot be. Thus, adding this to what we've determined so far, we know that J and L are a pair of areas that cannot both be reduced if both K and N are reduced:
Reduced :: K, NNot reduced :: J, L
Answer choice (B) is therefore the correct answer.
The simplest triangles are ABF, BIC, CIH, GIH, FGE and AFE i.e. 6 in number.
The triangles composed of two components each are ABE, AGE, BHF, BCH, CGH and BIE i.e. 6 in number.
The triangles composed of three components each are ABH, BCE and CDE i.e. 3 in number.
Hence, the total number of triangles in the figure = 6 + 6 + 3 = 15.
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