CHSL 21 26-05-2022 Shift 2

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CHSL 21 26-05-2022 Shift 2

Question 1

If the average marks of three batches of 30, 50 and 70 students is 55, 70 and 70 respectively, then the average marks of all the students is:

यदि 30, 50 और 70 छात्रों के तीन बैचों के औसत अंक क्रमशः 55, 70 और 70 हैं, तो सभी छात्रों के औसत अंक क्या होंगे?

Options

A

69

B

66.50

C

68.75

D

67

Solution:

Correct Answer:

D

67

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