Ratio and Proportion/ CBSE Class 6 Mathematics/ Extra Questions.

CBSE Class 6 Mathematics / Ratio and proportion is about some model questions that you can expect for yearly examination. Here you can find out extra questions for practice .

CBSE Class 6 Mathematics / Ratio and Proportion/ Extra Questions/ Chapter 12.
Fill in the blanks:

1. A ratio equivalent to 3: 5 is ————-
2. Two quantities can be compared only if they are in the ——– unit
3. The simplest form of 9: 27 is ———–
4. If two ratios are equal, we say that they are in ————
5. 25: 30:: x : 48, then the value of x is ————-
   Answer the following:
6. Find the ratio of 50 paise to Rs 2?
7. Find the ratio of 15 minutes to 1 hour?
8. In a class, out of 35 students, 20 are boys. Find the ratio of number of girls to total number of students in the class?
9. Divide Rs 200 between Anu and Sonu in the ratio 2:3.
10. The cost 5 packets of chocolates is 400 rupees. Find the cost of 8 packets of chocolates?

ANSWERS:

1. 6: 10
2. Same unit
3. 1: 3
4. Proportion
5. 40
6. Rs 2 = 200 paise
   Ratio is 50: 200 = 50/200 = ¼ = 1: 4
7. 1 hour = 60 minutes
   Ratio is 15: 60 = 15/60 = 1/4 = 1: 4
8. Total number of students = 35
   Number of boys = 20
   Number of girls = 35 – 20 = 15
   Ratio of number of girls to total number of students = 15:35 = 15/35 = 3/7 = 3: 7
9. Sum of parts = 2 + 3 = 5
   Anu’s share = 200 x (2/5) = 400/5 = 80 rupees
   Sonu’s share = 200 x (3/5) =600/5 = 120 rupees
10. The cost of 5 packets of chocolates = 400 rupees
    Cost of 1 packet of chocolates = 400/5 = 80 rupees
    Cost of 8 packets of chocolates = 80 x 8 = 640 rupees