Question

solve (a) and (b)......................​

Answer 1

thank you for your family and friends

Answer 2

HEY MATE

HERE IS YOUR ANSWER

$2pq + 3 {p}^{2} + 2 {q}^{2} \\ = 2 \times 2 \times 5 + 3 \times 2 \times 2 + 2 \times 5 \times 5 \\ = 20 + 12 + 50 = 82$

82 students of class V participated.

$4 {p}^{2} + {q}^{2} + 3pq \\ = 4 \times 2 \times 2 + 5 \times 5 + 3 \times 2 \times 5 \\ = 16 + 25 + 30 = 71$

71 students of class VI participated.

11 more students of class V participated in SAVE ENVIRONMENT.