Choose the correct option from the following options.
AZYB : CXWD ∷ BYWD :?

In a row of children Deepti is 9^th from the left and kashish is 13^th from the right. When they exchange their positions and then Deepti becomes 18^th from the left. What is the new position of Kashish from the right end of the row?

Direction: Study the following arrangement carefully and answer the given question below. 

S D 9 5 E # K 6 T I 8 P 1 % A 2 C λ L M U3 W @ N 4 © J $ 7 F B 

In the given series, 1st, 2nd, 3rd element and so on are interchanged with 20th, 19th, 18th element and so on respectively, then which element will be 8th to the left of 20th element from left end?

Cup is to coffee as bowl is

Study the given information carefully and answer the given questions.
Auditions for a show were held in seven different cities of India- Chennai, Bengaluru, Cochin, Mumbai, Delhi, Bhopal and Kolkata, not necessarily in the same order, during the first seven months of the year 2011 (starting on January and ending in July). The auditions were held only in one city during a month. Auditions in only four cities were held between the Kolkata audition and the Cochin audition. The Kolkata Audition was not held in June. Only one audition was held between the Kolkata audition and the Bengaluru audition The Chennai audition was held immediately after the Kolkata audition. The Delhi audition was held immediately before the Bhopal audition. The Bhopal audition was not held in May.
How many auditions were held between the Mumbai audition and the Chennai audition?

In the following question, select the related number from the given alternatives.
243: 819 :: 163 :?

The average age of three friends A, B, C is 20 years. The average age of A and B is 19 years, then what is the age of C?

Choose the correct option from the following options.
9 : 101 ∷ 10 :?