For the following questions answer them individually
The speed of a superfast train, $$T_{1}$$ is 20% more than the speed of another superfast train $$T_{2}$$. Both the trains start from point N at the same time and reach point M at the same time. N and M are 500 km apart. $$T_{1}$$ stops for 10 minutes on the way to M, but $$T_{2}$$ covers the distance without any stops in route. What is the speed of $$T_{1}$$?
A and B together can finish a work in 20 days. If they worked together for 8 days, then what was the share of work that was yet to be completed?
The difference between 73% of a number and 45% of the same number is 112. Find the number.
By selling an article for ₹600, a person made a profit of 50%. What was the cost price of this article?
A certain sum of money amounts to $$\frac{3}{2}$$ of itself in 2 years applying simple interest. Find the rate of simple interest per annum.
The marked price of a cap is ₹2,000. Two successive discounts of 15% and $$x$$% are given. If the selling price is ₹1275, then what is the value of $$x$$?
The average age of 9 girls is 16 years. The average age of 11 boys is 26 years. What is the average age of all these boys and girls taken together?
The ratio of the number of boys to the number of girls in a class is 2 : 5. If 10 boys leave the class and 20 new girls join the class, then the new ratio of boys and girls in the class becomes 4 : 25. What is the number of boys in the class now?
The given pie chart represents the distribution of the percentage of sales of a particular brand of a bike from five showrooms A, B, C, D and E during 2021.
What is the central angle of the sector corresponding to the sales from showroom B?
The difference between the compound interest and the simple interest on an amount of ₹1,500 for 2 years, at a given rate of interest per annum, is ₹60. What is the rate of interest per annum, if in the case of compound interest, the interest is compounded annually?