ADDITION AND SUBTRACTION

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Across
  1. 3. 32+23 MENTALLY...?
  2. 7. THE ANSWER IN SUBTRACTION IS CALLED
  3. 10. SUM OF 7 AND 0
  4. 11. RUPEES RECEIVED AFTER PAYING RS 150 FOR AN ARTICLE COSTING RS 143
Down
  1. 1. 65-20 MENTALLY...?
  2. 2. NEXT NUMBER IN PATTERN 9,6,3,...?
  3. 4. NUMBERS BEING ADDED
  4. 5. SUM OF ANY TWO CONSECUTIVE NUMBERS IS...?
  5. 6. NINE 30+29 MENTALLY...?
  6. 8. NEXT NUMBER IN PATTERN 3,5,6,7,9,...?
  7. 9. SUM OF ANY 3 CONSECUTIVE NUMBERS IS...?