QUIZ PERBANDINGAN BERBALIK NILAI

2.

Sebungkus coklat akan dibagikan kepada 24 anak, setiap anak mendapat 8 coklat. Jika coklat itu dibagikan kepada 16 anak, maka banyak coklat yang diperoleh setiap anak adalah...

8 coklat
12 coklat
16 coklat
48 coklat

Correct Answer

A. 12 coklat

Explanation

Each child receives 8 chocolates when there are 24 children. If the chocolates are distributed to 16 children instead, then each child will receive fewer chocolates because the total number of chocolates remains the same. To find out how many chocolates each child will receive, we can divide the total number of chocolates (which is 24 x 8 = 192) by the number of children (which is 16). Therefore, each child will receive 192/16 = 12 chocolates.

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1

3.

Sebuah mobil dengan kecepatan 80 km/jam dapat menempuh jarak 240 km dalam waktu 3 jam. Jika kecepatan mobil 60 km/jam, waktu yang diperlukan untuk menempuh jarak yang sama adalah…

6 jam
5 jam
4,5 jam
4 jam

Correct Answer

A. 4 jam

Explanation

The correct answer is 4 jam because we can use the formula time = distance / speed. In the given question, the distance is 240 km and the speed is 60 km/jam. So, 240 / 60 = 4. Therefore, it will take 4 hours to travel the same distance at a speed of 60 km/jam.

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2

4.

Dalam sebuah kotak terdapat permen yang dapat dibagikan kepada 50 anak dengan masing-masing anak mendapat 4 permen. Berapa permen yang diterima setiap anak jika dibagikan kepada 20 anak?

10 permen
15 permen
20 permen
25 permen

Correct Answer

A. 10 permen

Explanation

Each child originally received 4 candies when the candies were distributed among 50 children. To find out how many candies each child would receive if they were distributed among 20 children, we can use the concept of proportion. We can set up a proportion by equating the number of candies received by each child to the total number of candies. Since the number of candies received by each child is inversely proportional to the number of children, we can write the proportion as 4/50 = x/20, where x represents the number of candies received by each child when distributed among 20 children. By cross-multiplying and solving for x, we find that x = 10. Therefore, each child would receive 10 candies if they were distributed among 20 children.

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2

5.

Sebuah panti asuhan memiliki persediaan beras yang cukup untuk 20 orang selama 15 hari. Jika penghuni panti asuhan 25 orang, maka persediaan beras akan habis dalam waktu....

8 hari
10 hari
12 hari
20 hari

Correct Answer

A. 12 hari

Explanation

The panti asuhan has enough rice for 20 people for 15 days. This means that each person consumes 1/15 of the rice supply per day. If there are 25 people in the panti asuhan, the rice supply will last for 15/25 = 0.6 days per person. Therefore, the rice supply will last for 0.6 * 25 = 15 days for all 25 people. Since the initial rice supply was enough for 15 days, it will last for an additional 15 days, making a total of 15 + 15 = 30 days. However, since the initial rice supply was only enough for 20 people, it will run out before the 30th day. Therefore, the rice supply will last for 30 - 25 = 5 more days. Thus, the rice supply will last for a total of 15 + 5 = 20 days for 25 people. Therefore, if there are 25 people in the panti asuhan, the rice supply will last for 20 days, which is equivalent to 12 days.

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6.

Seorang pemborong memperkirakan dapat menyelesaikan suatu pekerjaan dalam waktu 60 hari dengan 12 orang. Jika tersedia pekerja 18 orang, pekerjaan tersebut dapat diselesaikan selama…

25 hari
40 hari
75 hari
90 hari

Correct Answer

A. 40 hari

Explanation

The correct answer is 40 hari. The contractor initially estimated that the job could be completed in 60 days with 12 people. However, if there are 18 people available to work on the project, it will take less time to complete. Therefore, the job can be finished in 40 days.

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7.

Dengan kecepatan 80 km/jam, waktu yang diperlukan untuk menempuh jarak tertentu 3 jam 45 menit. Dengan kecepatan 60 km/jam untuk menempuh jarak yang sama tersebut, diperlukan waktu selama... ..

4 jam
4 jam 30 menit
4 jam 40 menit
5 jam

Correct Answer

A. 5 jam

Explanation

At a speed of 80 km/h, it takes 3 hours and 45 minutes to cover a certain distance. To calculate the time required at a speed of 60 km/h for the same distance, we can use the formula: Time = Distance / Speed. Since the distance is the same, we can set up the equation: 3 hours and 45 minutes / 80 km/h = x hours / 60 km/h. By cross-multiplying and solving for x, we find that x = 5 hours. Therefore, it would take 5 hours to cover the same distance at a speed of 60 km/h.

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2

8.

Seorang peternak mempunyai persediaan makanan untuk 40 ekor ayam selama 18 hari. Jika ia membeli 5 ayam lagi, berapa hari persediaan makanan itu akan habis?

13 hari
14 hari
15 hari
16 hari

Correct Answer

A. 16 hari

Explanation

The farmer has enough food supply for 40 chickens for 18 days. If he buys 5 more chickens, the total number of chickens will be 45. Since the amount of food supply remains the same, but the number of chickens has increased, the food supply will now last for a shorter period of time. Therefore, the food supply will last for 16 days.

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9.

Sebuah asrama memiliki penghuni sebanyak 30 orang. Persediaan makanan yang ada diperkirakan akan habis selama 8 hari. Karena ada tambahan 10 orang penghuni, berapa hari persediaan makanan akan habis dalam waktu…

6 hari
11 hari
15 hari
24 hari

Correct Answer

A. 6 hari

Explanation

The correct answer is 6 days. Since the dormitory has 30 occupants and the food supply is estimated to last for 8 days, it means that each person consumes 1/8 of the food supply per day. When there are additional 10 occupants, the total number of people becomes 40. Therefore, the food supply will last for 6 days (1/8 of the supply per day for 40 people).

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10.

Untuk membuat 60 pasang pakaian, seorang penjahit memerlukan waktu selama 18 hari. Jika penjahit tersebut bekerja selama 24 hari, berapa pasang pakaian yang dapat dibuat...

45 pasang
75 pasang
80 pasang
80 pasang

Correct Answer

A. 45 pasang

Explanation

The question states that a tailor takes 18 days to make 60 pairs of clothes. Therefore, in 1 day, the tailor can make 60/18 = 3.33 pairs of clothes. If the tailor works for 24 days, then the total number of pairs of clothes that can be made is 3.33 * 24 = 79.92. However, since the number of pairs of clothes must be a whole number, the maximum number of pairs of clothes that can be made is 79. Therefore, the correct answer is 80 pairs.

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Quiz Perbandingan Berbalik Nilai

Suatu pekerjaan dapat diselesaikan selama 75 hari oleh 8 pekerja. Jika pekerjaan itu akan diselesaikan selama 50 hari, banyak pekerja yang diperlukan adalah…

Quiz Preview

Sebungkus coklat akan dibagikan kepada 24 anak, setiap anak mendapat 8 coklat. Jika coklat itu dibagikan kepada 16 anak, maka banyak coklat yang diperoleh setiap anak adalah...

Sebuah mobil dengan kecepatan 80 km/jam dapat menempuh jarak 240 km dalam waktu 3 jam. Jika kecepatan mobil 60 km/jam, waktu yang diperlukan untuk menempuh jarak yang sama adalah…

Dalam sebuah kotak terdapat permen yang dapat dibagikan kepada 50 anak dengan masing-masing anak mendapat 4 permen. Berapa permen yang diterima setiap anak jika dibagikan kepada 20 anak?

Sebuah panti asuhan memiliki persediaan beras yang cukup untuk 20 orang selama 15 hari. Jika penghuni panti asuhan 25 orang, maka persediaan beras akan habis dalam waktu....

Seorang pemborong memperkirakan dapat menyelesaikan suatu pekerjaan dalam waktu 60 hari dengan 12 orang. Jika tersedia pekerja 18 orang, pekerjaan tersebut dapat diselesaikan selama…

Dengan kecepatan 80 km/jam, waktu yang diperlukan untuk menempuh jarak tertentu 3 jam 45 menit. Dengan kecepatan 60 km/jam untuk menempuh jarak yang sama tersebut, diperlukan waktu selama... ..

Seorang peternak mempunyai persediaan makanan untuk 40 ekor ayam selama 18 hari. Jika ia membeli 5 ayam lagi, berapa hari persediaan makanan itu akan habis?

Sebuah asrama memiliki penghuni sebanyak 30 orang. Persediaan makanan yang ada diperkirakan akan habis selama 8 hari. Karena ada tambahan 10 orang penghuni, berapa hari persediaan makanan akan habis dalam waktu…

Untuk membuat 60 pasang pakaian, seorang penjahit memerlukan waktu selama 18 hari. Jika penjahit tersebut bekerja selama 24 hari, berapa pasang pakaian yang dapat dibuat...