Part C - Elementary Mathematics
Sonu alone can make a table in 125 days while Monu alone can make it in 250 days. Monu started the work and worked for 75 days. In how many days Sonu can finish the remaining work?
A bus left 60 minutes later than the scheduled time but in order to reach its destination 300 km away in time, it had to increase its usual speed by 10 km/hr. What is the usual speed of the bus?
X1, X2 and X3 can do a work in 90, 45 and 67.5 days respectively. All three of them began the work together but X2 left 13.5 days before the completion of the work. In how many days was the work completed?
The average marks of 13 students was 130. But later it was found that the score of one student was wrongly entered as 23 instead of 32. What is the correct average of their score?
Ankit sells an article at a loss of 10 percent. If he buys it for 30 percent less price and sells it for Rs. 26 less price, then his profit will be 10 percent. What is the cost price of the article?