For what SIM stands for in mobile phone?

Signals of mobile phone are

______ is used for making mobile phones.

A mobile phone tower transmits a wave signal of frequency 900 MHz. Calculate the length of the wave transmitted from the mobile phone tower .

The number of mobile phones sold of company A during July is approximately what percent of number of mobile phones sold of compnay A during December ?

Percentage -wise disribution of the number of mobile phones sold by a shopkeeper during six months If 35% of the mobile phones sold by Company A during November were sold A at a discount, how many mobile phones of Company A during that month wre sold without a discount ?

Reading of a pie chart for the ratio of 2 mobile phones in different months

If Prashant buys two similar mobile phones for Rs. 18,000, find the cost of three mobile phones.

Percentage -wise disribution of the number of mobile phones sold by a shopkeeper during six months.Total no.of books sold=45000 If the shopkeeper earned a profit Rs. 433 on each mobile phone sold of Company B during October, what was his totoal profit earned on the mobile phones of that company during the same month ?