For the following questions answer them individually
In $$\triangle ABC,DE\parallel BC$$ such that $$\frac{AD}{BD}=\frac{3}{5}$$. If AC=5.6 cm, then AE is equal toÂ
If two circles touch each other internally. The greater circle has its radius as 6 cm and the distance between the centres of the circles is 2 cm. The radius of the other circle is
An office opens at 10 AM and closes at 5 PM. The lunch interval is 30 minutes. The ratio of lunch interval to the total period of office hours is
A Bookseller allowed 15% discount on the books sold. Sunil purchased books worth Rs.1500. How much will he have to pay to Bookseller.
If the ratio between the profit and sale price of an article is 1:5, then the ratio between the sale price and the cost price of that article is:
A car covers a certain distance in 25 hrs. If it reduces the speed by $$\frac{1}{5}$$ th, the car covers 200 km less in that time. The speed of car isÂ
$$\frac{1}{\sqrt{a}}-\frac{1}{\sqrt{b}}=0$$, then the value of $$\frac{1}{a}+\frac{1}{b}$$ isÂ
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