Verbal Reasoning - Mental Ability Questions

Opening in a wall to let in air or light

Identify the diagram that best represents the relationship among classes given below: ELEPHANTS, WOLVES, ANIMALS

1)

Which of the following interchanges in signs and numbers will make the given equation correct?
8 x 9 + 2 = 74

Which term is a type of detail?

Introducing a girl, Poonam says, "She is the daughter of the only sister of the son of my mother". How is that girl related to Poonam?

A kiddy bank of a child contains all Rs. 1, 50 paise and 25 paise coins. What is the total amount in the bank ?
(1) Total number of coins are 20
(2) The number of 50 paise and 25 paise coins are in the ratio of 7:3.

P, W, Q, X, R, Y, Z and S sit randomly in a circle facing each other. Consider the following information and questions based on it.

1. Y sits exactly between Q and R

2. P does not sit next to either X or Z

3. Z is to the immediate right of Q

4. S sits third from left of X and the right of Y.

If they all were facing outside the circle, W would be the left of -

In the following question, select the missing number from the given series.
19, 11, 13, 16, 15, 17, 13, 19, 21, ?