Question
Which of the following expressions is equivalent to
(cosec A – sin A)(sec A – cos A)?Solution
The correct answer is B
In an examination in which full marks were 400. Harry got 20% more than Peter, Peter got 20% less than Tony. If Harry got 240 marks. What percentage of ...
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In a society, 20% of residents enjoy swimming and 35% enjoy running. If 5% enjoy both activities and the rest, which amounts to 18 residents, enjoy neit...
A person saves 22% of his monthly income. If his monthly is increased by 45% and he still saves the same amount as before then find percentage increase ...
A man spends 40% of his income on household items, 30% on buying gifts and 50% of the remaining on transportation. If he is left with Rs. 3900 then how...
The number of trees in a park increases by 12% every year. If the number of trees after 2 years will be 3,136, find the current number of trees in the p...
If 45% of a number is 90, what is 60% of the same number?
If 20% of a = b, then b% of 20 is the same as:
Bella scored 20% marks in a test and failed by 75 marks, whereas Tara scored 40% marks in the same test and failed by 25 marks. Find the passing marks o...
A person spent 12.5% of his monthly income on food and 32% of the remaining on rent. If amount spent on rent is Rs 1512, then find the amount spe...
