For the following questions answer them individually
Two trains are moving in opposite directions at 60 km/hr and 90 km/hr. Their lengths are 1.10 km and 0.9 km
respectively. What is the time taken by the slower train to cross the faster train in seconds?
What is the LCM of $$\frac{2}{3}$$, $$\frac{4}{6}$$,$$\frac{8}{27}$$?
According to Rutherford atomic model, the electrons revolve around the nucleus in ________ paths.
Simplify $$\frac{\frac{1}{4}\div\frac{1}{4}(\frac{1}{4})}{\frac{1}{4}\div\frac{1}{4}\times\frac{1}{4}}$$
A watch is sold at a profit of 20%. If both the cost price and selling price are reduced by Rs.100, then the profit would be 5% more. Find the original cost price of the watch.
Find the ODD one out from the given options.
 If x=$$(7-4\sqrt{3})$$,then find the value of $$(x+\frac{1}{x})$$
Which of the following organisations launched a special programme called 'Young Scientist Programme?'
Find the greatest number that will divide 115, 149 and 183 leaving remainders 3, 5, 7 respectively.