Spot what is wrong here in below Picture?

Can you find out which options fits best with the missing column?

There are five vowels (a, e, i, o, u) in the English language.
Can you tell us a word that contains all these vowels?

Can you solve this tricky maths equation problem by replacing it? mark with the correct symbol?

19834 -----: 187
15921 -----: 153
17561 -----: 139
13734 -----: ???

Find the number of squares in the below picture

An American nightclub called 'The Coconut Grove' had a terrible fire in which over 400 people died. A simple design flaw in the building led to a high death toll. Subsequently, regulations were changed to ensure that all public buildings throughout the country eliminated this one detail, which proved deadly. What was it?

John killed hundreds of people mercilessly and yet the police were not able to put her behind the bars. Why?

O_er_t_o_

Complete the missing letters of the given word.

Can you complete the sequence?

192, 021, 222, 324, 252, 627, 2__, 9__?

Andrew sees a very rare bird named "Ruppell's vulture". Soon Andrew was dead. Can you explain the mystery, Mr. Sherlock?