Haldia Refinery, one of the eight operating refineries of IndianOil, was commissioned in January 1975. It is situated 136 km downstream of Kolkata i
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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 manufactu
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Punjab Gramin Bank formerly known as PGB, having most of its branches in rural areas is playing major role in uplifting living standard of rural people by providing various types of deposits and loan
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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 ?
frank
If I feel unhappy, I do mathematics to become happy. If I am happy, I do mathematics to keep happy.