Verbal Reasoning - Mental Ability Questions

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

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

In the following question, select the related word from the given alternatives.
Sheep : Lamb : : Cow : ?

A series is given, with one number missing. Choose the correct alternative from the given ones that will complete the series.
49, 64, ?, 100, 121

In the following question, from the given alternative words, select the word which cannot be formed using the letters of the given word.
ERADICATE

Choose the most appropriate word ‘INDISCREET’ is to ‘IMPRUDENT’ as ‘INDISPOSED’is to

If A is the mother of B and K, D is the husband of A. E is the son of D's brother. What is the relation of A with E

In the following question, select the related letter/letters from the given alternatives.

CPR : ERT : : DQS : ?