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- Question
- 39 persons can repair a road in 12 days, working 5 hours a day. In how many days will 30 persons, working 6 hours a day, complete the work?
Options- A. 10
- B. 13
- C. 18
- D. 136
- Correct Answer
- 13
ExplanationSince 39 persons can repair a road by working 5 hours in a day in 12 days.
? 1 persons can repair a road by working 5 hours in a day in 39 x 12 days.
? 1 persons can repair a road by working 1 hours in a day in 39 x 12 x 5 days.
? 30 persons can repair a road by working 1 hours in a day in 39 x 12 x 5 / 30 days.
? 30 persons can repair a road by working 6 hours in a day in 39 x 12 x 5 / 30 x 6 days.
? 30 persons can repair a road by working 6 hours in a day in 39 x 2 x 1 / 6 days.
? 30 persons can repair a road by working 6 hours in a day in 39 x 1 x 1 / 3 days.
? 30 persons can repair a road by working 6 hours in a day in 13 days. - 1. 21 goats eat as much as 15 cows. How many goats eat as much as 35 cows?
Options- A. 38
- B. 49
- C. 37
- D. 41 Discuss
- 2. In a dairy farm, 40 cows eat 40 bags of husk in 40 days. In how many days one cow will eat one bag of husk?
Options- A. 15
- B. 40
- C. 38
- D. 32 Discuss
- 3. If the cost of x meters of wire is 'd' rupees, that find the cost (in Rupees) of 'y' meters of wire at the same rate.
Options- A. dy x
- B. x - d
- C. ydx
- D. y + d Discuss
- 4. A tree is 12 m tall and casts an an 8 m long shadow. At the same time, a flag pole caste a 100 m long shadow. How long is the flag pole?
Options- A. 150 m
- B. 200 m
- C. 125 m
- D. 115 m Discuss
- 5. In a race , Ravi covers 5 km in 20 min. How much distance will he cover in 100 min?
Options- A. 40 km
- B. 35 km
- C. 26 km
- D. 25 km Discuss
- 6. 4 mat-weavers can weave 4 mats in 4 days. At the same rate, how many mats would be woven by 8 mat-weavers in 8 days?
Options- A. 16
- B. 12
- C. 18
- D. 14 Discuss
- 7. If a quarter Kg of potato costs 60 paise, How many paise will 200 gm cost?
Options- A. 48
- B. 45
- C. 59
- D. 72 Discuss
- 8. In a dairy farm, 40 cows eat 40 bags of husk in 40 days. In how many days one cow will eat one bag of husk?
Options- A. 1
- B. 32
- C. 40
- D. 76 Discuss
- 9. An industrial loom weaves 0.128 meters of cloth every second. Approximately, how many seconds will it take for the loom to weave 25 meter of cloth?
Options- A. 184
- B. 195
- C. 190
- D. 197 Discuss
- 10. If 8 men can reap 80 hectares in 24 days, then how many hectares can 36 men reap in 30 days?
Options- A. 350
- B. 460
- C. 425
- D. 450 Discuss
Unitary Method problems
Search Results
Correct Answer: 49
Explanation:
15 Cows eat as much as 21 Goats.
? 1 Cows eat as much as 21/ 15 Goats.
? 35 Cows eat as much as 21 x 35 / 15 Goats.
? 35 Cows eat as much as 21 x 7 / 3 Goats.
? 35 Cows eat as much as 7 x 7 Goats.
? 35 Cows eat as much as 49 Goats.
Correct Answer: 40
Explanation:
40 cows eat 40 bags of husk in 40 days.
? 1 cows eat 40 bags of husk in 40 x 40 days.
? 1 cows eat 1 bags of husk in 40 x 40 / 40 days.
? 1 cows eat 1 bags of husk in 40 days.
Correct Answer: ydx
Explanation:
Cost of x meters ropes = Rs. d
? Cost of 1 meters ropes = Rs. d /x
? Cost of y meters ropes = Rs. dy/x
Correct Answer: 150 m
Explanation:
? 8 m shadow means original height = 12 m
? 1 m shadow means original height = 12/8 m
? 100 m shadow means original height = (12/8) x 100 m
= (6/4) x 100 = 6 x 25 = 150 m
Correct Answer: 25 km
Explanation:
? Distance covered in 20 min = 5 km
? Distance covered in 1 min = 5/20 km
? Distance covered in 100 min = (5/20) x 100
= 5 x 5 = 25 km
Correct Answer: 16
Explanation:
4 mat-weavers in 4 days can weave 4 mats.
1 mat-weavers in 4 days can weave 4 / 4 mats.
1 mat-weavers in 1 days can weave 4 / 4 x 4 mats.
8 mat-weavers in 1 days can weave 4 x 8 / 4 x 4 mats.
8 mat-weavers in 8 days can weave 4 x 8 x 8 / 4 x 4 mats.
8 mat-weavers in 8 days can weave 4 x 2 x 2 mats.
8 mat-weavers in 8 days can weave 16 mats.
Correct Answer: 48
Explanation:
As we know that Quarter Kg = 250 Gram
According to question,
250 Gram of potato costs 60 paise.
? 1 Gram of potato costs 60 / 250 paise.
? 200 Gram of potato costs 60 x 200 / 250 paise.
? 200 Gram of potato costs 60 x 20 / 25 paise.
? 200 Gram of potato costs 60 x 4 / 5 paise.
? 200 Gram of potato costs 12 x 4 paise.
? 200 Gram of potato costs 48 paise.
Correct Answer: 40
Explanation:
According to question,
40 cows eat 40 bags of husk in 40 days.
1 cows eat 40 bags of husk in 40 x 40 days.
1 cows eat 1 bags of husk in 40 x 40 / 40 days.
1 cows eat 1 bags of husk in 40 days.
Correct Answer: 195
Explanation:
According to given question,
Since an industrial loom weaves 0.128 meters of cloth in 1 seconds.
? an industrial loom weaves 1 meters of cloth in 1 / 0.128 seconds.
? an industrial loom weaves 25 meters of cloth in 1 x 25 / 0.128 seconds.
? an industrial loom weaves 25 meters of cloth in 25 / 0.128 seconds.
? an industrial loom weaves 25 meters of cloth in 195 seconds.
Correct Answer: 450
Explanation:
Since 8 men in 24 days can reap 80 hectares.
? 1 men in 24 days can reap 80 / 8 hectares.
? 1 men in 1 days can reap 80 / 8 x 24 hectares.
? 36 men in 1 days can reap 80 x 36 / 8 x 24 hectares.
? 36 men in 30 days can reap 80 x 36 x 30 / 8 x 24 hectares.
? 36 men in 30 days can reap 10 x 36 x 30 / 24 hectares.
? 36 men in 30 days can reap 10 x 3 x 30 / 2 hectares.
? 36 men in 30 days can reap 10 x 3 x 15 hectares.
? 36 men in 30 days can reap 450 hectares.
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