Study the given pattern carefully and select the number that can replace the question mark (?) in it.

23                32          16

3                 4              5

72              132         ?

5 : 30 : : 7: ?

If A = 1, P = 2, L = 3, E = 4, T = 5 and S = 6, then a series of the following letters does not make a meaningful word. Find it?

Rahul’s age is three times the age of Sumit. If Rahul is 15 years old presently, determine the age (in years) of Sumit after 12 years. 

From her home Prerna wishes to go to school. From home she goes toward North and then turns left and then turns right, and finally, she turns left and reaches school. In which direction her school is situated with respect to her home?

Direction: Read the following information carefully and answer the questions given below:

7 people – A, B, C, D, L, M and N are sitting in a single row facing towards the north (not necessarily in the same order). All are sitting at equal distances to each other. All of them are in different professions – Banker, Engineer, Professor, Actor, Principal, Actuary and Librarian. They are all planning to travel to different countries – Australia, Canada, France, Germany, Greece, Italy and Malaysia.
The person who is an Actor is sitting second to the left of M while the person who will travel to France is sitting third to the right of M. N is sitting second to the right of the person who is a Principal. N is neither an immediate neighbour of M nor is sitting at any of the extreme ends. Four persons are sitting between A and D. D is not an Actor and A is not sitting at any of the extreme ends. The person who will travel to Canada is sitting third to the left of D. Two persons are sitting between C and the person who is a Banker. N is not an immediate neighbour of C. L is sitting third to the left of the person who is an Actuary. The person who is a Librarian is sitting third to the left of the person who will travel to Germany. Four persons are sitting between the person who is an Engineer and the person who will travel to Italy. The person who is a Librarian will not travel to Australia but is an immediate neighbour of the person who will travel to Malaysia.

Which of the following combinations is not correct?

Some equations are solved on the basis of a certain system. Identify that operation and find out the correct answer from the four-response given.
a = 14 (290) 15, b = 16 (330) 17, c = 18 (?) 19

If it is possible to make a meaningful word of English together with the first, fifth and eighth letters of the word APTITUDES, how many total words can be made of this type?