We have four gears with below features=> Both Gear A and D has 60 teeth=> Gear B has 40 teeth=> Gear C has 20 teeth=> Every two minutes, Gear B makes 25 full turns.What is the relative speed of Gear A and Gear B?

Alex opened 24 presents
Jonah opened 8 presents
Clara opened 1 present

Can you find out how many presents were opened by Candy?

Which is Odd One Out and why?

4377

3954

9862

8454

9831

Find The Next Number in this series.
1, 2, 6, 42, 1806 ?

Find the next number in the sequence

1, 2, 6, 21, 88, __?

Christina, Allison and Lena are 3 daughters of John a well-known Mathematician, When I asked John the age of their daughters. He replied "The current age of her daughters is prime. Also, the difference between their ages is also prime."

How old are the daughters?

I shave every day, but my beard stays the same. What am I?

1 + 9 + 8 = ?
considering, 28 + 8 + 92 = 10

In the given figure, you can see that four match sticks are used to form a square. Can you form five squares by using six matches?

If,

20 % 5 = 24

21 % 7 = 33

42 % 6 = 67

Then;

66 % 6 = ?