You have a barrel, filled to the top with water, which weighs 150 pounds. What can you add to the barrel in order to make it lighter?

What is represented by this BrainBat?

 E E
  Y
 E E
D   D

Can you complete the following language equations? For example 24 H in a D is 24 Hours in a Day.

101 D
7 B for 7 B
8 F in a M
A B in the H is W 2 in the B
12 S of the Z
64 T D Q

Last weekend I was given my pocket money, which is meant to last me all week. On Monday, I spent a quarter of my money on clothes. On Tuesday, I spent one third of my remaining money on a CD. On Wednesday I spent half of my remaining money on sweets. Finally on Thursday I spent my last £1.25 on a comic. How much pocket money did I receive?

What is represented by this BrainBat?

BUSINES