Select the correct combination of mathematical signs to replace the * signs and to balance the given equation.
 91 * 15 * 5 * 18 * 37

The second number in the given number pairs is obtained by performing certain mathematical operation(s) on the first number. The same operation(s) are followed in all the number pairs except one. Find that odd number pair.

Direction: Study the following information carefully and answer the question given below:
 Five persons A, G, K, L and S purchase some items one After other. Two persons bought between A and the one who bought Chair. S does not buy wallet. G purchase immediately before K but none of them bought Chair. Three persons bought between the one who purchase chair and the one who purchase table. Only two persons bought between the one who purchase wallet and the one who purchase table. Bag is purchased immediately before perfume. Only two persons bought between L and the one who purchase perfume.

Who among the following purchased the item at last?

Select the correct combination of mathematical signs to replace the * signs and to balance the given equation.
 64 * 4 * 3 * 71 * 19 * 5 * 43

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 eldest person in the group?

Direction: Study the information given below carefully and answer the questions that follow.
 There are two persons Basu and Vinay, who walked from different point to reach a common point A.
 Basu started walking from point C in north direction. After walking 3m he turns right from point E, he then walks for another 3m and turns right from point D. He then walks for 7m and then turns left from point G and walks for 5m till point F. He then turns left and walks for 3m and then turns right from point N and walks for 6m till point A.
 Vinay started walking from point X in north direction. After walking 9m he turns left from point Z and walks for 6m and then turns left from point Y. He then walks for 4m and then turns left from point P and walks for 9m till point Q. He then turns right and walks for 2m till point A.
 Four are the same in a certain way thus forms a group.

Which person is travelling to England?

Which letter-cluster will replace the question mark (?) to complete the given series?

ZXE ZWD ZVC ? ZTA

In a certain code language, 'CHILDREN' is written as ‘FKLOGUHQ’ and ‘SCHOOL’ is written as ‘VFKRRO’, how will 'CLASSROOM' be written in that language?