I. Nikita invested an amount 150% of the amount invested by Sharmila.
II. Amount invested by Sharmila is two-third of the amount invested by Nikita.
Solve the given equation.
$$ {{cot \ 30°}\over {1+sin\ 45°}}+{{1+sin\ 45°}\over cot \ 30°}=?$$
In how many different ways can the letters of the word 'NATIONAL' be arranged?
2257 05eb012adcaa4f678cf75b341Speed of train B is 20% more than speed of train A and length of train A and B is 720 meters and 600 meters respectively. If both trains running in opposite direction cross each other in 24 second, then find speed of trains B (in km/hr)?
2256 062e0fa37e50b894c6f5815c3Sudhir and Shyam can do a work in 12 days, while Shyam alone can complete it in 30 days. In how many days can Sudhir complete that work alone?
2252 05fa694644e71ba46b01f0d44The total surface area of a solid right circular cylinder is twice that of a solid sphere. If they have the same radii, the ratio of the volume of the cylinder to that of the sphere is given by
2251 05d70a815d8eebc768d1122d2