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

Find out the correct answer for the unsolved equation on the basis of the given equations.
If 6 * 5 = 91
8 * 7 = 169
10 * 7 = 211
then 11 * 10 = ?

If GIVE is coded as 5137 and BAT is coded as 924, how will GATE be coded in the same code?

If BUILDING is coded as 41527596 and RIVER as 85308, what will be the code for BRIDGE?

B is father of Q. B has only two children. Q is the brother of R. R is the daughter of P. A is the granddaughter of P. S is the father of A. How is S related to R?

A total of 78 soldiers were standing in a row. Ram Singh was standing at the 25th position from the left. Kuldeep Singh was standing at the 20th position from the right. How many soldiers were standing between Ram Singh and Kuldeep Singh?

Ram walks 2 km to the East, then he turns to South and Walks 6 km. He again turns to East and walks 2 km. Then he turns to North and walks 12 km. How far is he from the starting point?

If two days before yesterday was Friday, what day will be day after tomorrow?