NextMockપરીક્ષાઓ શોધો, દા.ત. SSC CGL, UPPSC, Lekhpal
SSC PYQTier 1 2025

SSC CGL – Combined Graduate Level Examination · પ્રશ્ન 54

The average of 12 numbers is 75. The average of the first 5 numbers is 68. The average of the next 5 numbers is 20% more than the average of the first 5 numbers. The 11th number is 12 more than the 12th number. What is the average of the 11th and 12th numbers?

  1. 72.5
  2. 76
  3. 82.3
  4. 88
જવાબ બતાવો અને સમજૂતી

જવાબ: (B) 76

સમજૂતી

Total 900. First 5 sum to 340 and the next 5 (average 81.6) sum to 408, leaving 152 for the last two, whose average is 76.