What is the next item in this sequence? (Easy Test)

What is the next item in this sequence?

B

What is the maximum number of blocks?

If the stack of blocks pictured here looks the same from all four directions, what is the maximum number of blocks that could be used to build it, based on what you can see from this angle?

source: Brain Flexing IQ Tests

19 blocks. There are four layers. From the top down, they could have at maximum 1 block, 4 blocks, 9 blocks, and 5 blocks.

Add two lines to make two identical units!

Add two lines in the following figure to make two identical units - note that the units could be rotated.

Add two lines to make two identical units!

What number should replace the question mark?

What number should replace the question mark?

7 [each number at the lower of sector is equal to sum of the 3 numbers in its opposite divided by 2; hence, (1+9+4)/2 = 7].

What are these two numbers?

Two numbers are such that if the first gets 100 from the second they will be in the ratio 9 to 1, but if the second receives 36 from the first, their ratio will be 1 to 2. What are these two numbers?  

116 and 124

What grid should come next?

What grid should come next?

(A)

(B)

(C)

(D)

C: