Question
Two varieties of rice are mixed together – type 'P'
costing Rs. 60/kg and type 'Q' costing Rs. 100/kg. The mixture is then sold for Rs. 126/kg, yielding a 40% profit. Find the ratio in which rice of type 'Q' is added to type 'P'.Solution
ATQ,
Cost price of mixture = (126 / 1.4) = Rs. 90 Let 'm' kg and 'n' kg of rice of type 'P' and 'Q' respectively be mixed. So, (60m + 100n) ÷ (m + n) = 90 Or, 60m + 100n = 90m + 90n Or, 10n = 30m Or, n : m = 3 : 1
4178, 2153, 928, 303, 78, 55Â Â
Find the wrong number in the given number series.
58, 74, 61, 79, 64, 82
14, 16, 22, 46, 172, 886
Find the wrong number in the given number series.
3, 8, 18, 40, 78, 158Find the wrong number in the given number series,
29, 56, 120, 245, 501, 804Â
- Find the wrong number in the given number series.
30, 39, 23, 47, 12, 61 - Find the wrong number, in the given number series.
2, 5, 11, 23, 47, 97, 191 Find the wrong number in the given number series.
3, 7, 22, 89, 445, 2677Find the wrong no in the given number series.
175, 319, 488, 694, 909, 1165
Find the wrong number in the given number series.
2, 3, 5, 8, 13, 22, 34