Question

in one class there 3 boys and 4 girl then there is how many students are there​

Answer 1

7 students are there in the class.

3 boys + 4 girls = 7 students.

Answer 2

$7 \: students \: are \: there \\ \\ reason \\ \\ boys \: = \: 3 \: \\ \\ girls \: = \: 4 \: \\ \\ if \: we \: add \: we \: get \: total \: students \: 7$