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?
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.
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.