In the following question, which one set of letters when sequentially placed at the gaps in the given letter series shall complete it? 

_cca_a_ca_ac_ab

Direction :Study the following information carefully and answer the questions given below:
Six friends M, N, O, P, Q and R live in a six- storey building. The ground floor is numbered 1 and the topmost floor is numbered 6. Q lives neither on the top floor nor on the bottom. There are two persons between the floors on which P and Q live. Only one floor is there between M and N. The floor on which R lives is below the floor on which Q lives. The floor of O is just above the floor on which N lives.

How many floors are there between P and R? 

If 'CAPACITY' is coded as '81' and 'VOLUME' is coded as '91', then how will 'AMOUNT' be coded?

Select the correct combination of mathematical signs to sequentially replace the * signs and balance the given equation.
 268 * 4 * 8 * 5 * 14 = 41

select the correct mirror image of the given combination when the mirror is placed at 'PQ' as shown.

Directions: Study the following information carefully and answer the questions that follow.
 Eight people – Aishwarya, Kavya, Surabhi, Sangeetha, Shruthi, Swathi, Anita and Meghana were born in different years 1983, 1988, 1991, 1993, 1996, 2000, 2006 and 2012 not necessarily in the same order. Kavya’s age is a multiple of 5. Three people were born between Kavya and Meghana. Swathi is born before Kavya, but she is not the eldest person. Four people were born between Swathi and Anita, who is not the youngest person. Surabhi was born just before Aishwarya. Only one person was born between Sangeetha and Shruthi. Sangeetha is not the youngest person.

Note: 

(1) All calculations are done with respect to the present year, 2021 assuming the month and date to be same as that of the years as mentioned above.
(2) Each person is assumed to born on the same date and same month of the respective years.

Who is the youngest person in the group?

Which one of the given options would be a logical sequence of the following words?
1. Plant
2. Seed
3. Sprout
4. Tree
5. Sapling

Three of the following four letter-clusters are alike in a certain way and one is different. Pick the odd one out.