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NTA | UGC NET 2019 June - II | Question 77
Consider the following grammar:
S→ XY
X→ YaY | a and y → bbX
Which of the following statements is/are true about the above grammar?
(a) Strings produced by the grammar can have consecutive three a's
(b) Every string produced by the grammar have alternate a and b
(c) Every string produced by the grammar have at least two a's
(d) Every string produced by the grammar have b's in multiple of 2.
(A)
a only
(B)
b and c only
(C)
d only
(D)
c and d only
Answer
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