Directions: The bar diagram given below shows the productions (in the unit of thousand pieces) of three types of biscuits by a company in the five consecutive years. Study the diagram and answer the following questions.

Q:

वर्ष 1993, 1995 और 1997 में निर्मित क्रीम क्रैकर बिस्कुट की कुल संख्या और वर्ष 1994 और 1996 में समान प्रकार के बिस्कुट की कुल संख्या के बीच अंतर (हजार टुकड़ों की इकाई में) है

• 1
  15
• 2
  25
• 3
  30
• 4
  20