If $${x}^2+{y}^2x+1=0$$ then the value of $$x^{31}+y{35}$$ is

200 meter long train crosses a bridge with the speed of 54 km/hrs. in 30 sec. Find the length of bridge?

The item costing Rs. 840 was sold by A shopkeeper at a gain of 10% and it was again sold by the new buyer at the loss of 5%. find the selling price of the item is

If A works alone, he would take 4 days more to complete the job than if both A and B worked together. If B worked alone, he would take 16 days more to complete the job than if A and B work together. How many days would they take to complete the work if both of them worked together?

The ages of Bholu and Nitesh are in the ratio of 8 : 7 respectively. After 6 years, the ratio of their ages will be 19 : 17. What is the difference in their ages?

Two years ago, the average age of Aman and Shyam was 26 years. Five years hence, the age of Aman will be 40 years and Shyam is 5 years younger than Mohan, then find the difference between the age of Aman and Mohan.

Present ages of Parth and Abhishek are in the ratio of 5 : 4 respectively. Three years hence, the ratio of their ages will become 11 : 9 respectively. What is Abhishek 's present age in years?

Six years ago, the ratio of the ages of Karn and Sahil was 6 : 5. Four years hence, the ratio of their ages will be 11 : 10. What is Sahil’s age at present?