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**In the afternoon, a student read 100 pages at the rate of 60 pages per hour. In the evening, when she was tired, she read 100 more pages at the rate of 40 pages per hour. What was her average rate of reading the pages per hours ?**

A. 60
B. 70
C. 48
D. 50
**Answer: Option C**

## Show Answer

Solution(By Apex Team)

According to the question,

**Afternoon**100 pages read at the rate 60 pages per hour Total time taken to read 100 pages $\begin{array}{l}=\large\frac{100}{60}\\ =\large\frac{5}{3}\text{ hours }\\ \end{array}$**Evening**100 pages read at the rate 40 pages per hour Total time taken to read 100 pages $\begin{array}{l} =\large\frac{100}{40} \\ =\large\frac{5}{2} \text { hours } \end{array}$ Average rate of reading the pages per hour $\begin{aligned}&=\frac{200}{\frac{5}{3}+\frac{5}{2}}\\ &=\frac{200\times6}{10+15}\\ &=\frac{200\times6}{25}\\ &=48\end{aligned}$## Related Questions On Average

### Ajit has a certain average for 9 innings. In the tenth innings, he scores 100 runs thereby increasing his average19 people went to a hotel for combine dinner party 13 by 8 runs. His new average is:

A. 20B. 21

C. 28

D. 32

### Find the average of all the numbers between 6 and 34 which are divisible by 5.

A. 18B. 20

C. 24

D. 30

### In a family, the average age of a father and a mother is 35 years. The average age of the father, mother and their only son is 27 years. What is the age of the son?

A. 10 yearsB. 10.5 years

C. 11 years

D. 12 years

### If the arithmetic mean of 0, 5, 4, 3 is a, that of -1, 0, 1, 5, 4, 3 is b and that of 5, 4, 3 is c, then the relation between a, b, and c is.

A. a = b = cB. a : b : c = 3 : 2 : 4

C. 4a = 5b = c

D. a + b + c = 12