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I. x2 - 4x – 21 = 0 => x2 - 7x + 3x – 21 = 0 => x(x – 7) + 3(x – 7) = 0 => (x – 7) (x + 3) = 0 => x = 7, -3 II. y2 + 12y + 20 = 0 => y2 + 10y + 2y + 20 = 0 => y(y + 10) + 2(y + 10) = 0 => (y + 10) (y + 2) = 0 => y = -10, -2 Hence, x = y or the relationship cannot be established.
If x runs are second by Rohit, y runs by Shreyas and z runs by Virat, then x : y = y : z = 4:3. If total number of runs scored by Rohit, Shreyas and Vir...
If the number of coins in purse A and purse B is in the ratio 4:5, and the number of coins in purse C to purse D is in the ratio 3:4. Additionally, the ...
The ratio between the number of males and females in a college is 25: 26. If the number of males increases by 20% and the number of females increases by...
In an orchard, the ratio of the number of mango and lichi trees is 5:8, respectively. Also, there are few apple trees in the orchard which is 40% more t...
Rs 1215 is divided among 6 men, 5 women and 3 boys so that the share of a man, a woman and a boy may be in the ratio of 5:6:7. What is the share ...
When a certain Money has to be shared among Arjun, Binod and Chintu in the ratio 3:5:7, but mistakenly it was shared in the ratio 8:6:7. As a result Bin...
If A:B:C = 2:3:8 and (B + C) = 132, then find the difference between 'C' and 'A'.
The ratio of zinc and copper in a brass pieces is 4:7. How much zinc will be there in 110 kg of such a piece?
The sum of three numbers is 189. If the ratio of the first to the second is 3:4 and that of second to the third is 5:7 then the second number is?
The ratio of heartbreak to emotions is 2:3:4:5 The price of heart is inversely proportional to the square of emotions. If there is a loss of Rs 1420 due...
