If average score of A and B and B and C are equal to 40 and 48 respectively and average score of C and A is 44. Then find the average score of all three A, B and C.

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If average score of A and B and B and C are equal to 40 and 48 respectively and average score of C and A is 44. Then find the average score of all three A, B and C.

A42

B43

C44

D45

Answer:

C. 44

Read Explanation:

Total score of A and B = 2 × 40 = 80 Total score of B and C = 2 × 48 = 96 Total score of C and A = 2 × 44 = 88 ⇒ 2(A + B + C) = 80 + 96 + 88 ⇒ A + B + C = 132 average of A, B and C = 132/3 = 44

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ഒരു ക്ലാസിലെ 30 കുട്ടികളുടെ ഗണിതപരീക്ഷയിലെ ശരാശരി മാർക്ക് 60. പരീക്ഷയിൽ 80 മാർക്ക് കിട്ടിയ ഒരു കുട്ടി പോയി മറ്റൊരു കുട്ടി വന്നപ്പോൾ ശരാശരി ഒന്ന് കുറഞ്ഞു. എന്നാൽ പുതിയതായി വന്ന കുട്ടിയുടെ മാർക്ക് എത്ര?

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If average score of A and B and B and C are equal to 40 and 48 respectively and average score of C and A is 44. Then find the average score of all three A, B and C.

C. 44

Read Explanation:

At the time of marriage, the average age of a couple was 22 years. If they had a child after 3 years, what would be the average age of the family?

In a cricket match five batsman B1,B2,B3, B4 and B5 scored an average of 38 runs, B4 scores7 more than B5.B5 scores 8 less than B1. B2 scores as many as B4 and B5 combined. B2 and B3 combined scores 109.How many runs did B5 score?

15 സംഖ്യകളുടെ ശരാശരി 25 ആയാൽ ഓരോ സംഖ്യയുടെയും കൂടെ 2 ഗുണിക്കുന്നു. അതിനുശേഷം 3 കൂട്ടുന്നു. എങ്കിൽ പുതിയ ശരാശരി എത്ര?