Verbal Reasoning - Mental Ability Questions

If mathematical operators '-' and '/' are interchanged, then the value of 15 x 4 ÷ 15 - 11 x 33 ÷ 98 is

Which set of letters when sequentially placed at the gaps in the given letter series shall complete it?
J_J_L_KL_JK_MN

If 80&10 = -8, 50&2 = -25 and 80&16 = -5, then find the value of 20&5 = ?

If 9*4 = 26, 4*4 = 16 and 3*6 = 18, then find the value of 5*2 = ?

Find the odd word/letters/number pair from the given alternatives.
(A) ZVR
(B) ZYX
(C ) QMI
(D) IEA

A series is given with one term missing. Choose the correct alternative from the given ones that will complete the series. 12, 60, 240, 720, ?

In a certain code, if MIZZLY is written as ZIMYLZ and PUZZLE is written as ZUPELZ, then what will BUZZWORD be written as in the same code?

In a certain code language, '+' represents 'x', '-' represents '+', 'x' represents '÷' and '÷' represents '-'. What is the answer to the following question?

45 x 5 - 24 + 3 ÷ 80 = ?