kiran kumar
Last Activity: 11 Years ago
To avoid this problem you must practise problems more fastly by doing calculations manually.Don''t use calculators.By using these your mind didn''t grow sharply.In comprtitive exams no calculators are allowed.So practise well and get good results.
All the Best & Good Luck !!
Hope this helped you immenselly...
Please approve my answer if you liked it by clicking on "Yes" given below...!