Bharat Electronics Limited popularly known as BEL is a state-owned electronics company with about 09 factories, and few regional offices in India. It is owned by the Indian Govt. & primarily manufactures advanced electronic products for the Indian Armed Forces. BEL is one of the eight PSUs under Ministry of Defence, Government of India. It has even earned the govt.'s Navratna status. As of 01/04/2012, BEL's order book is estimated to be around INR257 billion. BEL Optronic Devices Ltd. is a subsidiary company of BEL and is a Public Sector Undertaking of the Govt. of India.
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LA
The difference between a two-digit number and the number obtained by interchanging the digits is 36. What is the difference between the sum and the difference of the digits of the number if the ratio between the digits of the number is 1 : 2 ?