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The average height of 35 girls in a c...

The average height of 35 girls in a class was calculated as 160 cm. It was later found that the height of one of the girls in the class was wrongly written as 144 cm, whereas her actual height was 104 cm. What is the actual average height of the girls in the class? (rounded off to 2 digits after decimal) (a) 158.54 cm     (b) 158.74 cm     (c) 159.56 cm (d) 159.86 cm       (e) None of these

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RS AGGARWAL-AVERAGE-All Questions
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  2. Average of ten positive numbers is barx . If each number is increased ...

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  3. The average height of 35 girls in a class was calculated as 160 cm....

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  5. The average marks in Science subject of a class of 20 students is 6...

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  6. The average of 10 numbers is 40.2. Later it is found that two numbe...

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  7. A pupil’s marks were wrongly entered as 83 instead of 63. Due to th...

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  8. While calculating the average of a batsman as 36 in 100 matches tha...

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  9. The average age of seven boys sitting in a row facing North is 26 y...

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  10. The average of five numbers is 306.4. The average of the first two ...

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  11. The average marks obtained by 22 candidates in an examination is 45...

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  14. The average weight of three boys A ,\ B and C is 54 1/3 kg, while ...

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  15. The average of the ages of Sumit, Krishna and Rishabh is 43 and the...

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  16. The mean temperature of Monday to Wednesday was 37oC and of Tues...

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  17. The average temperature of the town in the first four days of a mon...

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  18. The average weight of A ,\ B and C is 45 kg. If the average weig...

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  19. The average monthly income of P and Q is Rs 5050. The average mo...

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  20. Average age of ten persons learning yoga is 32 years. When the age ...

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