Count the number of triangles in the below picture?

A King wants to send the diamond ring to his girlfriend securely. He got multiple locks and their corresponding keys. His girlfriend does not have any keys to these locks and if he sends the key without a lock, the key can be copied in the way. How can King send the ring to his girlfriend securely?

Krish is 45 years old and his mother Crishtina is 73 years old.

Can you find out how many years ago, his mother was three times his age?

What does the following represent?

N N N N N N N

A A A A A A A

C C C C C C C

What famous saying does this rebus mean?

COME SERVED <---
COME SERVED
COME SERVED
COME SERVED
COME SERVED

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

A mathematics teacher took exams for his students. Out of the total students, 25% passed both the tests included in the exam. However, only 42% were able to clear the first test.

Can you find out the percentage of those students who passed the first test and also passed the second test?

Look at the below sequence of letters and tell us what the next letter should be:

O T T F F S S ?

What is the next number in the series?

15 29 56 108 208 ?

1. What does:
TIM JOB
represent?

2. What does:
MO_ _
represent?