[2,7)" means "

In a certain code language, '3a, 2b, 7c' means 'Truth is Eternal', '7c, 9a, 8b, 3a' means 'Enmity is not Eternal' and '9a, 4d,2b, 8a' means 'Truth does not perish'. Which of the following means 'Enmity' in that language?

If ''#'' means '"subtraction". "&" means "division", "@" means "addition" and "%" means "multiplication", then 217& 7# 3" @ "2%7=?

Let n AM's are inserted between - 7 and 65 If the ratio of 2^(nd) and 7^(th) means is 1:7 , then n is equal to

Let n AM's are inserted between - 7 and 65 If the ratio of 2^(nd) and 7^(th) means is 1:7 , then n is equal to

In a certain code language(एक निश्चित कोड में) '3a, 2b, 7c' means(का अर्थ) 'truth is eternal' '7c, 9a, 8b, 3a' means(का अर्थ) 'enmity is not eternal' '4d, 2b, 8b' means(का अर्थ) 'truth does not'. Which of the following means "enmity' in that language निम्नलिखित में से किसका अर्थ उस भाषा में "enmity" है?

There are m arithmetic means between 5 and -16 such that the ratio of the 7th mean to the (m-7)th mean is 1:4. Find the value of m.

If '+' means 'xx','-' means '+', 'xx' means '-:' and '-:' means '-' then 12xx2+6-7-:5=?

If '+' means '-','-' means 'xx','xx' means '-:' and '-:'- means '+', then the value of 16xx2-:25+7-4 is