Ratio and Proportion MCQ Questions Class 6 Maths Chapter 12
NCERT MCQ Questions for Class 6 Maths Chapter 12 Ratio and Proportion. Ratio and Proportion MCQ Questions with Answers from Class 6 Maths
Ratio and Proportion MCQ Questions Class 6 Maths Chapter 12
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Chapter – 12
Ratio and proportion
Question 1:
There are 30 boys and 15 girls going for summer vacation the ratio of the number of girls to the no. of boys.
(a ½
(b) ¾
(c) ¼
(d) 3/2
Ans:
(a) ½, the no. of girls/the no. of boys = 15/30 = 1×15/2×15
= ½
Question 2:
Ram’s father’s age is 34 and Ram’s age is 18. Then find the ratio of ram’s father’s age to ram’s age?
(a) 19/9
(b) 17/9
(c 15/9
(d) 14/9
Ans:
(b) 17/9, Ram’s father age/Ram’s age = 34/18 = 17×2/9×2
Question 3:
Length of the ball 32 cm and breadth of the hall 16 cm then find the ratio length to the breadth?
(a) ½
(b) 3/2
(c) 2/1
(d) 2/3
Ans:
(c) 2/1, length/breadth = 32/16
= 2×16/1×16
= 2/1
Question 4:
Give equivalent ratio of 27/18
(a) ¼
(b) 4/1
(c) 2/3
(d) 3/2
Ans:
(d) 3/2,
27/18
= 9×3/9×2
= 3/2
3:2 is equivalent ratio of 27/18, 27:18
Question 5:
Distribute ₹100 in the ratio 3:2 between Arati and Akash.
(a) Arati = 60, Akash = 40
(b) Arati = 50, Akash = 20
(c) Arati = 30, Akash = 20
(d) Arati = 60, Akash = 30
Ans:
(a) Arati’s share = 3/5 ×100 = 60
Akash share = 2/5 × 100 = 40
5 is the total share of ₹100
Question 6:
Find the ratio of the following 72 minute to 1hr 36 minute.
(a) 3/2
(b) 4/3
(c) 2/3
(d) ¾
Ans:
(d) 3/4 min 60 à 1 hr 72 minutes (60+36) minutes
= 72/96 = 12×6/12×8 = 6/8 = 2×3/2×4 = ¾
Question 7:
Cost of a dozen banana is 108₹ and the cost of a apple is 36. Find the ratio of a banana to apple.
(a) ¼
(b) ¾
(c) 2/4
(d) 3/5
Ans:
(a) 1/4, dozen = 12 cost of 1 banana
= 108/12 = 9₹
= One banana/one apple = 9/36 = 1×9/4×9 = ¼
- In case you have missed:- Previous Chapter MCQ Questions
Question 8:
Find the ratio 60 cm to 2.5 m.
(a) 3/12
(b) 6/30
(c) 6/25
(d) 3/14
Ans:
(c) 6/25 60cm/2.5×100m = 60/250 = 10×6/10×25
= 6/25
Question 9:
Boys in the class 45 and girl as 15 then find the ratio of total student to the boys in the class?
(a) ¾
(b) 4/3
(c) 5/4
(d) 4/5
Ans:
(b) 4/3, total student = boys + girls
= 48 + 15
= 60 student
Total student boys = 60/45
= 15×4/15×3 = 4/3
Question 10:
Present age of Ramu is 52 year and his daughter age is 13 years then find the ratio of when daughter is 10 years old to father’s age at the time of daughter age is 10 year
(a) 10/32
(b) 5/3
(c) 10/49
(d) 3/2
Ans:
(c) 10/49, daughter’s age = 13 – 3 = 10
Father’s ag = 52 – 3 = 40
Daughter age/father age = 10/48
Question 11:
Are the ratio 18:15 and 25:30 in proportion?
(a) Cannot be determined
(b) Not
(c) Yes
(d) Yes maybe
Ans:
18/15 = 6×3/5×3 = 6/5, 25/30 = 5×5/5×6 = 5/6
(b) No.
These ratio are not in proportion.
Question 12:
Are the ratio 9:15 and 48:75 in proportion?
(a) Maybe
(b) Yes
(c) No
(d) CND
Ans:
9/18 = 3×3/3×5 = 3/5,
45/75 = 15×3/15×5= 3/5
(b) Yes.
These ratio are in proportion.
Question 13:
If the cost of 100 pens is ₹500 then find the cost of 15 pens?
(a) 90
(b) 75
(c) 45
(d) 60
Ans:
(b) 75.
Cost of 100 pens = 500₹
Cost of 1 pen = 500/100 = 5
Cost of 15 pen
= 5×15 = 75
Question 14:
If the cost of 10 litre petrol is ₹ = 9000 then find the cost of 7 litre petrol?
(a) 4500
(b) 8900
(c) 7200
(d) 6300
Ans:
(a) 6300, 10 litre petrol = ₹9000
1 litre petrol = 9000/10
1 litre = 900
7 litre petrol = 900×7 = 63000 (d)
Question 15:
Cost of 5 sweet corns is 60₹ the how many sweet corns can be purchased for ₹48?
(a) 4
(b) 5
(c) 3
(d) 2
Ans:
(a) 4, 5 sweet corns = 60₹
1 sweet corns = 60/5 = 12₹
12×4 = 48₹
Four sweet corns can be purchased for ₹48.
- In case you have missed:- NCERT MCQ Questions for Knowing Our Numbers
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