Ballpark — October 13, 2026
Answers to that day's 5 daily estimation questions.
The Motorola DynaTAC 8000X, the first commercially available handheld cell phone (1983), was famously heavy. How many pounds did it weigh?
~2.5 lbs
It also took about 10 hours to fully recharge for that half hour of talk time.
According to the UN's Global E-waste Monitor, about how many million metric tons of electronic waste did the world generate in 2022?
~62 million metric tons
E-waste generation has grown 82% since 2010 and is still rising faster than recycling can keep up.
About how many words per minute does the average adult type when typing casually, not as a trained professional?
~40 wpm
Trained professional typists regularly hit 60 to 80 words per minute or more.
A standard 4K UHD television screen (3840 by 2160 resolution) displays how many total pixels in a single frame?
8.3 million pixels
Each pixel updates dozens of times per second to render smooth on-screen motion.
How many elected seats are there in India's Lok Sabha, the lower house of parliament?
543 seats
The Indian Constitution technically allows for up to 552 seats in the chamber.