KSEEB Solutions for Class 6 Maths Chapter 12 Ratio and Proportion Ex 12.3
KSEEB Solutions for Class 6 Maths Chapter 12 Ratio and Proportion Ex 12.3
Karnataka State Syllabus Class 6 Maths Chapter 12 Ratio and Proportion Ex 12.3
Question 1.
If the cost of 7 m of cloth is Rs 294, Find the cost of 5 m of cloth.
Solution:
Cost of 7m cloth = Rs 294
Cost of 1 m cloth = 294/7 = Rs 42
Therefore, Cost of 5m cloth = 42 × 5 = Rs 210
Question 2.
EKta earns Rs 1500 in 10 days. How much will she earn in 30 days?
Solution:
EKta earns money in 10 days = Rs 1500
Therefore, Money earned in 30 days = 150 × 30 = Rs 4500.
Question 3.
If it has rained 276 mm in the last 3 days. How many cm of rain will fall in one full week (7 days)? Assume that the rain continues to fall at the same rate.
Solution:
Measure of rain in 3 days = 276 mm
Measure of rain in 1 day = 276/3 = 92 mm
Therefore, measure of rain in 7 days = 92 × 7 = 644 mm
Question 4.
cost of 5 kg of Wheat is Rs 30.50,
a) What will be the cost of 8 kg of wheat?
b) What quantity of wheat can be purchased in Rs 61?
Solution:
a) Cost of 5 kg Wheat = Rs 30.50
Cost of 1kg Wheat = 30.50/5 = Rs 6.10
Therefore, Cost of 8 kg Wheat = 6.10 × 8 = Rs. 48.80
Question 10.
Raju purchases 10 pens for Rs 150 and manish buys 7 pens for Rs 84. Can you say Who got the pens cheaper?
Solution:
Raju purchase 10 pens for Rs 150
Manish purchase 7 pens for Rs 84
Therefore, manish got the pens cheaper
Question 11.
Anish made 42 runs in 6 overs and an up made 63 runs in 7 overs. Who made more runs per over?
Solution:
Runs made by Anish in 6 overs = 42
Runs made by Anup in 7 overs = 63
Clearly Anup made more runs per over.
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