Verbal Reasoning - Mental Ability Questions

If "+" denotes "divided by", "x" denotes "added to", "÷" denotes "subtracted from" and "–" denotes "multiplied by", then
54 + 162 – 18 x 12 ÷ 6 = ?

Spandana is the sister of Raju. How is Raju's father's sister related to Spandana?

Introducing Reeta, Monica said, "She is the only daughter of my father's only daughter." How is Monica related to Reeta?

Pointing towards a lady in a photograph, Sushma says, "She is the mother of my grandfather's son". How is Sushma related to the lady in the picture?

If ' + ' means minus , ' - ' means multiplication , ' ÷ ' means plus , and ' x ' means division , then 15 - 3 + 10 x 5 ÷ 5

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

If 'U' is the husband of 'V', 'V' and 'W' are daughters of 'X', 'Y' is the husband of 'X', then 'Y' is the ____ of 'U'.

If the code for MOTHER is JRQKBU then what is the code for PRINCIPAL?