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Total wage of 23 labourers in the initial group = 23 × 460 = Rs. 10580 New average wage of the group = 460 + 40 = Rs. 500 New number of labourers in the group = 23 – 4 + 2 = 21 So, according to the question, 10580 – 4 × 350 + 2K = 500 × 21 Or, 10580 – 1400 + 2K = 10500 Or, 9180 + 2K = 10500 Or, 2K = 10500 – 9180 = 1320 Or, K = (1320/2) = 660
Cost of two types of pulses is Rs.12 and Rs, 17 per kg, respectively. If both the pulses are mixed together in the ratio 2:3, then what should be the pr...
The average weight of boys in a class is 65 kg, while the average weight of girls is 45 kg. If the overall average weight of the class is 50 kg and the ...
33.98 X 17.99 - (7.99 X 8.99) ÷ 1.99 - 27.99 X 4.01 = ? X 3.99
If '176x95' is a six-digit number that is divisible by 3, then find the maximum value of '5x'.
There are three mixtures A, B and C. Mixture A contains 11% of water and B contains 16% of water. If A and B are mixed together than resultant mixture c...
A merchant has 1200 kg of sugar, part of which he sells at 9% profit and the rest at 15% profit. He gains 11% on the whole. The quantity (in kg) sold at...
The average age of a group of six children is 8 years. From the group, two children, whose ages were 2 years more and 4 years more than the average age,...
The scores achieved by P and Q in an examination are in a ratio of 9:4 respectively. If Q scores an additional 11 points, then P's score will be approxi...
A is cycling at an average speed of 24 km/hr such that he can reach a certain point at 12 noon. If he cycles at 40 km/hr, then he will reach the destina...
A vessel is full of a mixture of kerosene and petrol in which there is 18% kerosene, 8 litre are drawn off and then the vessel is filled with petrol. Re...
