Q.1. Carry out the following multiplication by lattice method. 04
1. 48 × 23
2. 76 × 17
Q.2. Carry out the following multiplication by vertical arrangement. 04
1. 42 × 12
2. 38 × 13
Q.3. Carry out the following division. 02
1. 21 ÷ 7
2. 45 ÷ 9
