state gov Bihar SSC (BSSC) Inter Level Mock Test 2024 - 25 Quantitative Aptitude Number System Quick Math
The temperature on a certain day increases every hour by 1º C from 6:00 am to 12:00 pm, increases every hour by 2º C from 12:00 pm to 5:00 pm and drops every hour by 2º C from 5:00 pm to 11:00 pm. If the temperature at 8:00 am was 17º C, then the temperature at 9:00 pm will be -
1
22ºC
2
23º C
3
20º C
4
21º C