Unable to solve An MBA studying student, calculates his cumulative average after every test. Banking & Accounting were his last 2 tests. 83 marks in Banking increased his average by 2. 75 marks in Accounting further increased his average by 1. Reasoning is the next test; if he gets 51 in Reasoning, what will be his average?

unable to solve Diff. between S.I. of 2yrs at 5% p.a. on certain sum and C.I. for 2yrs at 6.25% p.a. on same sum compounded annually is 37. Find P

unable to solve Diff. between S.I. of 2yrs at 5% p.a. on certain sum and C.I. for 2yrs at 6.25% p.a. on same sum compounded annually is 37. Find P

unable to solve i don't know how to approach towards the solution and also couldn't able to understand the explanation

unable to solve i don't know how to approach towards the solution and also couldn't able to understand the explanation

Unable to solve IMG_0094.png 739.55 KB

Unable to solve IMG_0094.png 739.55 KB

Unable to solve IMG_0237.png 340.59 KB

Unable to solve IMG_0237.png 340.59 KB