Check here the Answer Key for the UPSC Question Paper Mathematics 2018 Paper 1. IAS aspirants require the Answer Key for the UPSC Question Paper Mathematics 2018 Paper 1. The main requirement is the accurate answers to the IAS General Studies Questions with no error. Still, the IAS aspirants are wondering about the pattern of the change of the IAS general Studies which was focused on current affairs. But the real trend of UPSC is to keep surprising the UPSC aspirants. Scroll below to get the UPSC Question Paper Mathematics 2018 Paper 1.