Christina has four daughters, and each of her daughters has a brother. How many children does Christina have?

There is a circular car race track of 10km. There are two cars, Car A and Car B. And they are at the exact opposite end to each other. At Time T(0), Both cars move toward each other at a constant speed of 100 m/seconds. As we know both cars are at the same speed they will always be the exact opposite to each other.
Note, at the center, there is a bug which starts flying towards Car A at time T(0). When the bug reaches car B, it turns back and starts moving towards the car A. The speed of bug is 1m/second. After 5 hours all three stop moving.
What is the total distance covered by the bug?

What English word has three consecutive double letters?

What is the word or phrase below?
R | E | A | D

In the four images below, can you find the odd one out?

Can you solve the below geography rebus by decoding the below rebus ?

You need to arrange three 7 and mathematical symbols to form number 1?

Can you decipher the below rebus?

PBLUESAISNUERSES

Name the three-letter word that can complete the below words:

A) L O _ _ _ E
B) E D U _ _ _ E
C) _ _ _ E R
D) _ _ _ T L E

Which word does the below Plexor means ?