91- 6303239042
Krushna bisoi
7y ago
in an examination, 7500 candidate appeared. each offered either physics or chemistry or both. if 75% offered physics and 45% of chemistry how many offered both
6
Krushna bisoi 7y ago
plzz slove this
Manni Mishra 7y ago
25
Manni Mishra 7y ago
1500
Debopam Banerjee 7y ago
15%
Debopam Banerjee 7y ago
9000-7500=1500
Madhusmita Minz 5y ago
Let both will tak 'x'
Then out of total
(75-x)+x+(45-x)=100
=>120-x=100
=>x=20%
20% of 7500
20/100*7500=1500
Hence the ans is 1500
