Step 1: Understanding the sentence structure.
The sentence compares Gauri's ability to play the keyboard with her sister's ability. Such a comparison requires a grammatically correct comparative phrase.
Step 2: Use of correct comparative expression.
The phrase as well as is used to show equality or similarity in ability or performance between two people. It correctly fits the context of the sentence.
Step 3: Eliminating incorrect options.
The expressions as better as, as nicest as, and as worse as are grammatically incorrect because comparative and superlative adjectives cannot be used in this structure.
Step 4: Conclusion.
Therefore, the correct and grammatically sound option is as well as.
Final Answer: (A) as well as
Is there any good show __________ television tonight? Select the most appropriate option to complete the above sentence.
In the diagram, the lines QR and ST are parallel to each other. The shortest distance between these two lines is half the shortest distance between the point P and the line QR. What is the ratio of the area of the triangle PST to the area of the trapezium SQRT?
Note: The figure shown is representative

A square paper, shown in figure (I), is folded along the dotted lines as shown in figures (II) and (III). Then a few cuts are made as shown in figure (IV). Which one of the following patterns will be obtained when the paper is unfolded?
Consider the relationships among P, Q, R, S, and T:
• P is the brother of Q.
• S is the daughter of Q.
• T is the sister of S.
• R is the mother of Q.
The following statements are made based on the relationships given above.
(1) R is the grandmother of S.
(2) P is the uncle of S and T.
(3) R has only one son.
(4) Q has only one daughter.
Which one of the following options is correct?