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We have given, (x - 5)2 - (x + 5)2 = 0 Using (a2 - b2) = (a + b)(a - b) (x - 5 + x + 5)(x - 5 - x - 5) = 0 Or, 2x X (-10) = 0 Or, - 20x = 0 Or, 'x' = 0/-20 = 0
In a recent survey in a city, 60% houses contained two or more persons and rest have only 1 person. Of those houses having only one person, 45% were ha...
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270 candidates appeared for an examination, of which 252 passed. The pass percentage is :
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The respective ratio of monthly income of A to monthly income of B is 10:11, and A’s saving is (100/13)% more than B’s saving. Find the expenditure ...
The income of ‘A’ increases by 33% every year. If the present income of ‘A’ is Rs. 35378 and his expenditure 2 years ago from now was Rs. 14580,...
A farm has a total of 15,000 chickens. Out of these, 28% are foreign breed chickens, while the rest are native breed chickens. Among the native breed ch...
Amit scored 80 marks in subject X. He scored 60% marks in subject B and Y marks in subject D. Maximum marks in each subject was 300. The overall percent...
A software company had 'p' lines of code in their codebase in 2019. It increased by 30% in 2020 and then by another 20% in 2021. In 2022, the lines of c...
