Question
Magnesium oxide (MgO) + Water (H2O) =
?Solution
When magnesium oxide reacts with water, it forms magnesium hydroxide, [Mg(OH)2].
A bag contains certain number of coins of different denominations. The ratio of the number of Rs. 1 coins to Rs. 2 coins is 4 : 5, respectively and the...
The ratio of investment of A and B is 2 : 5 and that of B and C is 3 : 7. Find the investment of B if sum of investment of A, B and C is Rs. 33600.
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Adarsh rented a travel bike for a mountain tour. If the bike is rented for 8 hours or less, the charge is Rs. 100 per hour or Rs. 8 per km, whichever is...
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Determine the mean proportion of 40 and 19.6
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