IBPS RRB Simplification Question

3.2% of 500 × 2. 4% of ? = 288

(6.5% of 375) – (0.85% of 230) =?

(– 251 × 21 × – 12) ÷ ? = 158.13

(4444÷40)+(645÷25)+(3991÷26)=?

(?)³÷32=54

(764 × ?) ÷ 250 = 382

853 + ? ÷ 17 = 1000

6156  ÷ √? × 53 = 4028

9643 – 7750 + ? = 4990