Question

0. Average score of rahul, manish and suresh is 63. Rahuls score is 15 less than ajay and 10 more than manish. If ajay scored 30 marks more than the average scores of rahul, manish and suresh, what is the sum of manishs and sureshs scores?

Answer 1

Ajay scores = 63+30=93

Rahul scores = 93-15 = 78

sum of Manish and Suresh scores

= 3×63-78 = 111 is right answer

Answer 2

Step-by-step explanation:

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Acc to the question.

Average score of the boys

Rahul + Manish+ Suresh /3 = 63.

Rahul's mark = Ajay - 15.

Ajay scores = 63 + 30 { given}

Ajay's score = 93

Rahul's scores = 93 - 15 = 78.

Manish scores = Rahul's marks - 10 marks

Manish scores = 78-10 = 68 marks

Now Suresh's marks

Rahul + Manish+ Suresh /3 = 63

78 + 68 + Suresh = 63 × 3

146 + Suresh = 189

Suresh's marks = 189- 146

= 43 marks

Sum of Manish and Suresh scores = 68+43 = 111 marks .

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