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Practical Mathematics: Cost and Measurement Test
Practical Mathematics: Cost and Measurement Test
Ravi
November 21, 2024
Q1. The labour charge to paint a rectangular wall at Rs. 60 per sq.m is Rs. 3600. If the length is 20 m, what is the breadth?
Q2. एक भिंत रंगवण्यासाठी 60 रुपये प्रति मीटर दराने 3600 रुपये खर्च होतो. जर त्या भिंतीची लांबी 20 m असेल तर रुंदी किती ?
A) 4m
B) 5m
C) 3m
D) 6m
Explanation:
Area = 3600/60 = 60sq.m ,
Breadth = 60/20 =3m.
Q2. A wall costs Rs. 2400 to paint at Rs. 50 per sq.m. If the length is 16 m, what is the breadth?
Q3. एक भिंत रंगवण्यासाठी 50 रुपये प्रति मीटर दराने 2400 रुपये खर्च होतो. जर त्या भिंतीची लांबी 16 m असेल तर रुंदी किती ?
A) 4m
B) 3m
C) 2m
D) 5m
Explanation:
Area= 2400/50 = 48sq.m
Breadth= 48/16 = 3m
Q3. A rectangular wall measuring 12 m in length and 5 m in breadth is painted at Rs. 80 per sq.m. What is the total labour charge?
Q3. एका भिंतीची लांबी 12 m व रुंदी 5 m आहे. 80 रुपये प्रति चौ मी दराने रंगवण्यासाठी किती खर्च होईल.
A) Rs. 4800
B) Rs. 6000
C) Rs. 4200
D) Rs. 5800
Explanation:
Area = 12x5 = 60sqm
Labour charge= 60x80 = 4800
Q4. If the cost to paint a wall is Rs. 1350 at Rs. 45 per sq.m and the breadth is 5 m, what is the length?
Q4. एक भिंत रंगवण्यासाठी 45 रुपये प्रति मीटर दराने 1350 रुपये खर्च होतो. जर त्या भिंतीची रुंदी 5 m असेल तर लांबी किती ?
A) 4m
B) 5m
C) 6m
D) 7m
Explanation:
Area = 1300/45 = 30sqm
Length = 30/5 = 6m
Q5. A wall measuring 8 m in length and 6 m in breadth is painted for Rs. 2400. What is the rate per sq.m?
Q5. एका भिंतीची लांबी 8 m व रुंदी 6 m आहे. पूर्ण भिंत रंगवण्यासाठी 2400 रुपये खर्च होतो तर प्रति चौ मी खर्च किती ?
A) 30 Rs./sq.m.
B) 60 Rs./sq.m.
C) 45 Rs./sq.m.
D) 50 Rs./sq.m.
Explanation:
Area = 8×6=48sq.m,
Rate = 2400/48= 50Rs./sq.m.
Q6. The labour charge to paint a wall is Rs. 2000 at Rs. 50 per sq.m. If the breadth is 8 m, what is the length?
Q6. एक भिंत रंगवण्यासाठी 50 रुपये प्रति मीटर दराने 2000 रुपये खर्च होतो. जर त्या भिंतीची रुंदी 8 m असेल तर लांबी किती ?
A) 6m
B) 10m
C) 5m
D) 8m
Explanation:
Area = 2000/50 = 40sqm
Length = 40/8 = 5m
Q7. If a wall of length 10 m and breadth 4 m costs Rs. 1800 to paint, what is the rate per sq.m?
Q7.एका भिंतीची लांबी 10 m व रुंदी 4 m आहे. पूर्ण भिंत रंगवण्यासाठी 1800 रुपये खर्च होतो तर प्रति चौ मी खर्च किती ?
A) Rs. 45
B) Rs. 35
C) Rs. 65
D) Rs. 70
Explanation:
Area = 10×4=40sq.m
Rate = 1800/40 = 45
Q8.A rectangular wall of area 72 sq.m is painted for Rs. 2880. What is the rate per sq.m?
Q8.एका आयताकृती भिंतीचे क्षेत्रफळ 72 चौ मी आहे व तिला रंगवण्यासाठी 2880 रुपये खर्च होतो तर प्रति चौ मी खर्च किती ?
A) Rs. 30
B) Rs. 20
C) Rs. 50
D) Rs. 40
Explanation:
Rate = 2880/72 = 50
Q9.A wall measuring 15 m in length and 3 m in breadth costs Rs. 2025 to paint. What is the rate per sq.m?
Q9.एका भिंतीची लांबी 15 m व रुंदी 3 m आहे. पूर्ण भिंत रंगवण्यासाठी 2025 रुपये खर्च होतो तर प्रति चौ मी खर्च किती ?
A) Rs. 35
B) Rs. 45
C) Rs. 55
D) Rs. 65
Explanation:
Area = 15x3 = 45sqm
Rate = 2025/45 = Rs.45
Q10.If a wall with an area of 100 sq.m is painted at Rs. 60 per sq.m, what is the total cost?
Q10. एका भिंतीचे क्षेत्रफळ 100 चौ मी आहे. तर 60 रुपये प्रति चौ मी दराने पूर्ण भिंत रंगवण्यासाठी किती खर्च होईल?
A) 60000
B) 5000
C) 6000
D) 4000
Explanation:
Total cost = 100 x 60 = 6000
Q11.A rectangular room has a length of 12 m and a breadth of 8 m. What is the cost of tiling the floor at Rs. 50 per sq.m?
Q11.एका आयताकृती खलीची लांबी 12 मी व रुंदी 8 मी आहे तर 50 रुपये प्रति चौ मी दराने फारशी बसवण्यास किती खर्च होईल ?
A) Rs. 5800
B) Rs. 4800
C) Rs. 2800
D) Rs. 2900
Explanation:
Area of the floor = Length × Breadth = 12 × 8 = 96 sq.m
Cost = 96 × 50 = Rs. 4800
Q12.A car covers 360 km in 8 hours. What is its average speed?
Q12.एक कार 360 किमी अंतर आठ तासात पूर्ण करते तर तिचा सरासरी वेग किती ?
A) 45km/h
B) 55km/h
C) 60km/h
D) 80km/h
Explanation:
Average speed = Total Distance / Total Time = 360 / 8 = 45 km/h
Q13.The cost of fencing a square garden at Rs. 40 per metre is Rs. 2560. What is the length of one side of the garden?
Q13. चौकोनी बागेला एकेरी कुंपण घालण्यासाठी खर्च रु. 40 प्रति मीटर आहे. 2560. बागेच्या एका बाजूची लांबी किती आहे?
A) 26m
B) 10m
C) 16m
D) 18m
Explanation:
Perimeter = Total cost / Cost per metre = 2560 / 40 = 64 m
For a square, Perimeter = 4 × side, so Side = 64 / 4 = 16 m
Q14.A man bought 20 kg of rice for Rs. 800. At what price per kg should he sell to gain a 25% profit?
Q14.एका माणसाने 20 किलो तांदूळ रु. 800 दराने खरेदी केले. तर 25% नफा मिळविण्यासाठी त्याने प्रति किलो किती किंमतीला विकावे?
A) 50
B) 45
C) 25
D) 55
Explanation:
Cost price per kg = 800 / 20 = Rs. 40
Selling price for 25% profit = 40 + (25% of 40) = 40 + 10 = Rs. 50
Q15.A man deposited Rs. 5000 in a bank offering 10% annual simple interest. What will be the total amount after 3 years?
Q15.एका व्यक्तीने 10 % दराने 5000 रुपये बँकेत 3 वर्षांसाठी ठेवले तर त्याला एकूण किती रक्कम परत मिळेल ?
A) Rs. 1500
B) Rs. 6500
C) Rs. 5000
D) Rs. 1000
Explanation:
Simple interest = (P × R × T) / 100 = (5000 × 10 × 3) / 100 = Rs. 1500
Total amount = Principal + Interest = 5000 + 1500 = Rs. 6500
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