The following table shows the number of pens and the number of erasers of 6 different colours that were sold from a stationery store during a given week. 

The total number of erasers having colours C3 or C4 is approximately what percentage of the average number of pens of each colour?

The average of six consecutive odd numbers is 26. Find the difference between the largest and the smallest of these numbers.

B is 10% more than A. C is 20% less than A. B is what percentage more than C?

Ranbir bought a car at a 50% discount on the cost price of the car. Had he got a 60% discount, he would have spent 1,00,000 less. Calculate the cost price of the car?

A and B leave from point M at the same time towards point N. B reaches N and starts towards M instantly. He meets A at point O (between M and N). The distance between M and N is 245 km. If the speeds of A and B are 26 km/h and 65 km/h, respectively, then what is the distance between O and N?

A thief escapes from a police station at 8:00 a.m. on a cycle at a speed of 50 km/h. A policeman starts chasing the thief on a motorbike at 9:30 a.m. at the speed of 65 km/h. At what distance from the police station will the policeman catch up with the thief?

Ranveer bought a computer paying 25% less than the list price and sold it to his neighbour at a 40% profit on his purchase cost. The profit percentage earned by Ranveer on the list price of the computer is:

The HCF and the LCM of two numbers are 5 and 120, respectively. If the sum of the two numbers is 55, then the sum of the reciprocals of these two numbers is equal to: