**Mix Review Worksheet-20**

- A school has a student population of 560. The number of girls is 14(2/7)% of the number of boys. How many girls are in the school?

A. 100 B. 70 C. 80 D. 140

- A student has to secure 40% marks to pass. He gets 40 marks fails by 40 marks. The maximum number of marks is:

A. 200 B. 160 C. 180 D. 320

- The average age of 6 students is 11 years. If two more students of age 14 and 16 years join, their average will become:

A. 13 years B. 12 years

C. 12(1/2) years D. 11(1/2) years

- In a factory, the average salary of the employees is Rs.70. If the average salary of 12 officers is Rs.400 and that of the remaining employees is Rs.60, then the number of employees are _____.

A. 396 B. 400 C. 408 D. 404

- Average of the first six even numbers is:

A. 7 B. 5 C. 3 D. 1

- In a cricket match, 11 members of team A scored 330 runs and 6 members of team B scored 195 runs. Which team performed better?

A. Team A B. Team B

C. Cannot be determined D. Insufficient data

- Sunny scored 80 and 120 runs respectively in the two innings of a cricket match. What is his average score in the innings?

A. 80 B. 120 C. 200 D. 100

- The ratio of Rs.3 and 60 paise is:

A. 1 : 20 B. 5 : 1 C. 1 : 2 D. 20 : 1

- The ratio of the incomes of Kamala and Vimalal is 2:3. If Kamala’s income is Rs.9,000 then Vimala’s income is:

A. Rs.13, 500 B. 6,000

C. Rs.12, 000 D. none of these

- The ratio of 0.12 kg and 180 g is:

A. 0.01:1.8 B. 1:15 C. 2:3 D. none of these

**Answer Key:**

(11)-B; (12)-A; (13)-B; (14)-C; (15)-A; (16)-B; (17)-D; (18)-B; (19)-A; (20)-C