Verbal Reasoning - Mental Ability Questions

Select the missing number?

In a certain code language, '÷' represents '+', '-' represents 'x', '+' represents '÷' and 'x' represents '-'. Find out the answer to the following question.

20 x 12 ÷ 3 - 40 + 12 = ?

Rakhi got engaged 10 years ago. Rakhi's present age is 5/3 of her age at the time of engagement. If the present age of Rakhi's mother is twice that ofpresent age of Rakhi, then what was her mother's age (in years) at the time of her engagement?

If the letters in the word 'UNIVERSAL' are arranged in the alphabetic order and each letter in the order is assigned a numerical value of 1, 2, 3... according to their position from the left, then the sum of the numerical values of the position of the consonants will be

Find the wrong number in the series. 225, 206, 188, 176, 165, 158, 153

Find the missing number from the given alternatives?

In the following question, which one set of letters when sequentially placed at the gaps in the given letter series shall complete it?

S_RTR_ST_T_S

In a certain code, if ZIGZAGGING is written as AZGIZGNIGG, then how will BLIZZARDLY be written as in the same code?