The average marks in Science subject of a class of 20 students is 68. If the marks of two students were misread as 48 and 65 instead of the actual marks 72 and 61 respectively, what would be the correct average? (a) 66    (b) 68.5    (c) 69    (d) 69.5    (e) 70

The average marks in Science subject of a class of 20 students is 68. If the marks of two students were misread are 48 and 65 of the actual marks 72 and 61 respectively, then what would be the correct average ?

The average marks in English subject of a class of 24 students is 56. If the marks of three students were misread as 44,45 and 61 of the actual marks , 48,59,67 respectively ,then what would be the correct average ?

The average marks of 42 students in an examination, was 64. Later it was found that the marks of three students were misread as 72, 58 and 44 instead of the actual marks 64, 42 and 26 respectively. What is the correct average marks?

the average marks of 20 students is 70. Afterwards, it is found that the marks of 2 students are taken wrong as 54 and 74 instead of 64 and 84. Find the correct average.

In an exam, the average marks of 40 students is 75. Afterwards, it is found that the marks of 2 students are taken wrong as 56 and 38 instead of 65 and 69. Find the correct average.

The average marks of 40 students was found to be 68. If the marks of two students were incorrectly entered as 48 and 64 instead of 84 and 46 respectively, then what is the correct average? 40 छात्रों के औसत अंक 68 पाए गए | यदि दो छात्रों के अंक भूलवश 84 एवं 46 के बजाय क्रमशः 48 और 64 के रूप में शामिल किये गए हैं, तो सही औसत ज्ञात करें |

Average marks of maths of 5 students is 50. Later it was found that 48 was mistakenly reworded as 84. Find the actual average

Average marks of 40 students is 72. Three numbers 64, 62 & 84 were mistakenly read as 68, 65, 73 respectively. Find the actual average.