A train passes city X at 9.55 am and Y city at 10.15 am . The distance between cities X and Y is 45 miles . What is the average speed, in miles per hour of the train ?

In an examination, there are 1000 boys and 800 girls, 60% of boys and 40% girls passed. The percentage of cand...

In A ABC, the median BE interests AC at E, if BG = 6 cm, where G is the centroid, Then BE is equal to -

Salary of an officer increases every year by 20%. His salary in the year 2001 was Tk. 26640. What was his sala...

If 12% of x is equal to 6% of y, then 18% of x will be equal to how much percent of y?

10 men can cut 15 trees in 2 hours. If 2 men leave the job, how many trees will be cut in 3 hours?

A Company makes a profit 6% on its first Tk. 10,000 of sales day and 5% an all sales in excess of Tk. 10,000 f...