Commensurate

Pretty awful, as blazeilev said, the questions repeat way too much, you should keep track of which questions the player's already been asked. Also, some of the questions get cut off by the textboxes which arent big enough

Many textboxes are cut off (though you can select the text and press down, easiest is to copy the question to notepad). Questions are repeated, just had the same question three times in a row. Also, regularly I found it hard to understand the questions - I assume English is not your first language? No offense, but it's something I do expect in a quiz. I'd say try to fix at least those things first.

Whilst the author's English is quite good it needs improving for the questions to make any sense. Also there are a good few typos.

Just plain broken. I got every question right (you can scroll the text by selecting it with the mouse) and the game told me I got 7/10, probably because it didn't count the repeated questions correctly.

Right from the first question, they prove themselves to be badly written. "Two years ago,a man was 6times as old as his son,Afetr 18 years he will be twice as old as his" and it stops. Where's the question? What is being solved for?