A company had allotted 10000 shares to the applicants of 14000 shares on a pro-rata basis. The amount payable on the application was ₹2. F applied for 420 shares. How much shares was allotted to F?

300

Pro-rata made on 14000 shares to whom 10000 shares were allotted means who  applied for 14 share get 10 share.
 F applied for 420 shares.
Allotted shares to F = 10/14 X 420 = 300 shares