Nandan bought some pencils at the rate of Rs 20 per pencil . He also bought an equal number of erasers at the rate of Rs 4 per eraser . He made 40 % profit on pencils and 50 % profit on erasers . At the end of the day, all the pencils and erasers were sold out and he made a profit of Rs 470 . Find the number of pencils he purchased.

People as Resource

2

Chapter

India’s Green Revolution is a

dramatic example of how the input

of greater knowledge in the form of

improved production technologies can

rapidly increase the productivity of

scarce land resources. India’s IT

revolution is a striking instance of

how the importance of human capital

has come to acquire a higher position

than that of material, plant and

machinery.

Source: Planning Commission, Govt. of India.

People

idk

step-by-step explanation:

b. 1.25 hr

step-by-step explanation:

if you have a constant speed of 60 mph, then you have a ratio between 60 mi. to 1 hr. dividing both sides by 60 we get the ratio

1 mi. to

then mult. both sides by 75 we get the ratio

75 mi. to

simplifying we get

75 mi. to

or 1.25 hr.