what is he success rate of philosophy + econ at LSE

I believe it's around 30%.

hi thx do you know what it is for pure econ?

L101 Economics had an offer rate of 19.2% last year.

L101 Economics had an offer rate of 19.2% last year.

hi sorry again , do you know the success rate for maths and ecocomics ?

GL11 Mathematics and Economics had an offer rate of 19% last year. However, G1L1 Mathematics with Economics had an offer rate of 31%. Bear in mind the and/with makes a difference. GL11 is a joint (50/50) Maths/Econ degree, whereas G1L1 is a major in Maths with a minor in Econ.