Exponents and powers problems #very useful #school students #competitive aspirants#viralmath tricks

As a project work in Business Studies subject, the Commerce students of 'Creative Public School' thought of setting up a recycling pant to recycle all the waste papers from the school and prepare registers and exercise books to be used by the school students. They approached their principal who not only appreciated the idea of the students but also give her consent for the same. The school also decided to donate 50% of the revenue generated from the sale of registers and exercise books to a nearby blind school. (a) State the product related decisions which the children have to take. (b) Suggest any two factors the children should keep in mind while choosing the right name for their exercise books and registers.

In a Std. X class, out of 40 students, 10 students use spectacles, 2 students have positive power and 8 students have negative power and 8 students have negative power of lenses in their spectacles . What does the positive power indicate ?

50 students enter for a school javeloin throw competition. The distance (in metre) thrown are recorded below (i) Construct a cumulative frequency table. (ii)Calculate the median distance by using the formula for median.

In a Std. X class, out of 40 students, 10 students use spectacles, 2 students have positive power and 8 students have negative power and 8 students have negative power of lenses in their spectacles . What does the negative power indicate ?