Ratio and Proportion: Class 6 Mathematics Q&A
10 free answers on Ratio and Proportion (Mathematics) for Class 6 students, across CBSE, ICSE and State boards. Includes questions such as “Are 20, 25, 12, 15 in proportion?”, “Divide 60 in the ratio of 2: 3.”, “Write True or False against the following statement:8: 9:: 24: 27.”
Question & Answer
Questions
- MathematicsClass 6CBSE
The cost of 10 tables is ₹ 7500. Find the number of tables that can be purchased with ₹ 9000.
Number of tables purchased in ₹ 7500 = 10Number of tables purchased in ₹ 1 =10/7500∴ Number of tables purchased in ₹ 9000=10×9000/75000=12
- MathematicsClass 6CBSE
Are 20, 25, 12, 15 in proportion?
We have 20, 25, 12, 15Product of extremes = 20 × 15 = 300Product of middles = 25 × 12 = 300Since both the products are same.∴ The four numbers 20, 25, 12, 15 are in proportion.
- MathematicsClass 6CBSE
Green paint is made by mixing blue, yellow and white paints in the ratio 2: 7: 1. How much blue paint is needed to make 64 litres of green paint?
Here, sum of ratios = 2 + 7 + 1 = 10∴ Total quantity of green paint = 64 litresQuantity of blue paint =2/10× 64 = 12.8 litresTherefore, the required blue paint = 12.8 litres.
- MathematicsClass 6CBSE
Divide 60 in the ratio of 2: 3.
Sum = 2 + 3 = 5∴ First part =2/5 × 60 =24 5∴ Second part =3/5 × 60 =36 5Thus, the required two parts = 24 and 36.
- MathematicsClass 6CBSE
Write True or False against the following statement:8: 9:: 24: 27.
24: 27 = 24/27=24÷3/27÷3 [∴H.C.F.(24, 27) = 3] = 8/9=8:98: 9 = 24: 27∴ 8: 9:: 24: 27 is true(T).
- MathematicsClass 6CBSE
Are the following statement true? 45km: 60km = 12 hours: 15 hours.
45km: 60km =45/60 = 45÷15/60÷15 [∴ H.C.F.(45, 60) = 15] = 3/4 = 3: 412 hours: 15 hours =12/15=12÷3/15÷3 [∴H.C.F.(12, 15) = 3] =4/5=4:5Since, the two ratios are not equal, therefore the given statement is false(F).
- MathematicsClass 6CBSE
The weight of 25 copies is 5 kg. Find the weight of 30 such copies?
It is given thatWeight of 25 copies = 5 kg∴ Weight of 1 copy = 5 ÷ 25 = 1/5kg∴ Weight of 30 copies = 30 x 1/5= 6 kg
- MathematicsClass 6CBSE
If a = 2b then a: b = ____.
If a = 2b then a: b = 2: 1.
- MathematicsClass 6CBSE
32 m: 64 m:: ____.
32 m: 64 m:: 6 Sec: 12 Sec.
- MathematicsClass 6CBSE
If 4, a, a, 36 are in proportion then a is equal to ____.
If 4, a, a, 36 are in proportion then a is equal to 12.