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Homework Practice

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Proportional Reasoning-1: Practice 2

Section A: Core Practice

Question 1mcq
Which ratio is equivalent to 2:52:5?
A.2:152:15
B.6:156:15
C.5:85:8
D.15:615:6
Question 2mcq
88 notebooks cost ₹120. What is the unit rate?
A.₹120 per item
B.₹15 per item
C.₹8 per item
D.₹128 per item
Question 3mcq
66 notebooks cost ₹90. What is the unit rate?
A.₹90 per item
B.₹15 per item
C.₹96 per item
D.₹6 per item
Question 4mcq
If 1010 workers finish 1313 rooms in one hour at a constant rate, how many rooms can 2020 workers finish in one hour?
A.66
B.1212
C.2626
D.2626
Question 5mcq
A bus travels 180180 km in 33 hours at a steady speed. What is its speed?
A.0.020.02 km/h
B.6060 km/h
C.183183 km/h
D.540540 km/h
Question 6mcq
A student says 2:32:3 is equivalent to 5:65:6 because 33 was added to both parts. Is the student correct?
A.Yes, adding the same number always works.
B.No, because ratios cannot be compared.
C.No, because adding the same number to both parts does not preserve a ratio.
D.Yes, all ratios with bigger numbers are equivalent.

Section B: Reasoning and Application

Question 7mcq
A recipe uses 66 cups of rice for 1010 people. What ratio compares cups of rice to people?
A.10:610:6
B.6:106:10
C.60:1060:10
D.16:1016:10
Question 8mcq
A recipe uses 99 cups of rice for 1212 people. What ratio compares cups of rice to people?
A.12:912:9
B.9:129:12
C.108:12108:12
D.21:1221:12
Question 9mcq
Which ratio is equivalent to 2:52:5?
A.2:152:15
B.6:156:15
C.5:85:8
D.15:615:6
Question 10mcq
88 notebooks cost ₹120. What is the unit rate?
A.₹8 per item
B.₹120 per item
C.₹15 per item
D.₹128 per item
Question 11mcq
66 notebooks cost ₹90. What is the unit rate?
A.₹96 per item
B.₹6 per item
C.₹15 per item
D.₹90 per item
Question 12mcq
If 1010 workers finish 1313 rooms in one hour at a constant rate, how many rooms can 2020 workers finish in one hour?
A.2626
B.2626
C.1212
D.66