Class six math test || Ratio and Percentage

Time: 30 minutes                                                                              Marks: 50

1. The ratio of the prices of two computers is 5:6. If the price of the first computer is Tk. 25,000/-, what is the price of the second computer? In case of a price hike if the price of the first computer is increased by Tk. 5,000/- then what types of the ratio of their prices will be?

2. In a mixture of 40 kg, the ratio of sand and cement is 4:1. Determine the quantity of sand and cement in the mixture.

3. The ratio of ages of father and son is 9:2. If the difference of their ages is 28 years, then what is the age of father and son?

4. The sum of the two quantities is 350. If their ratio is 3: 5, then find them.

5. Musanna bought a Bengali essay book from the library at Tk. 84. But the cover price of the book was Tk. 120. How much commission in percentage has he obtained?

6. In a class, 5% s students were absent out of 200 students. How many students were absent?

7. Zahid, buying a book at 10% commission, gave Tk. 180 to the shopkeeper. What is the actual price of the book?

Short Question

1. Percentage is a fraction whose denominator is always ---------------------------

2. 27% of 600 Tk =?

3. A student got 512 numbers in an examination. His friend got more than 28 marks and so obtained a 4. 54% mark. What is the total mark of examination?

5. The percentage of Tk. 7 of Tk. 28 = ----------------------

6. If 80% of mangoes are quite good then, how many mangoes are rotted?

7. What is the correct answer when 3:20 express to percentage?

8. If 40% of S Tk., 80 Tk.  then S =?

9. 200% of 1 =?

10. If 30 mangoes are sold off 70% of 150 mangoes then, how mangoes are left?

11.  What kind of ratio is 3:5?

(i) greater inequality        (ii) equivalent ratio   (iii) unit ratio      (iv) less inequality

12. What kind of ratio is 8:5?

(i) greater inequality        (ii) equivalent ratio   (iii) unit ratio      (iv) less inequality

13. What kind of ratio is 3:3?

(i) greater inequality        (ii) equivalent ratio   (iii) unit ratio      (iv) less inequality

14. Which is the greater inequality?

(i) 2:3                   (ii) 3:2                           (iii) 1:2                    (iv) 2:4

15. Which is the less inequality?

(i) 7:3                   (ii) 3:2                           (iii) 1:2                    (iv) 9:4