Latihan Mtk Pts Kelas 7
Questions and Answers
- 1.
Jumlah uang Indah dan uang Andri adalah Rp 110.000,00. Jika uang Indah dan uang Andri berbanding 5 : 6, maka besar uang Indah adalah ....
- A.
Rp 44.000,00
- B.
Rp 50.000,00
- C.
Rp 60.000,00
- D.
Rp 66.000,00
Correct Answer
B. Rp 50.000,00Explanation
The correct answer is Rp 50.000,00 because if the ratio of Indah's money to Andri's money is 5:6, and the total amount of money they have is Rp 110.000,00, we can set up the equation 5x + 6x = 110.000,00, where x represents the common ratio. Solving this equation, we get x = 10.000,00. Therefore, Indah's money is 5x = 5 * 10.000,00 = Rp 50.000,00.Rate this question:
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- 2.
Seorang pedagang membeli 3 kodi pakaian dengan harga Rp 600.000,- perkodi. Pakaian tersebut ia jual kembali dengan harga Rp 400.000,- perlusin. Dalam waktu dua hari pakaian tersebut sudah habis. Keuntungan yang diperoleh pedagang tersebut adalah ….
- A.
Rp 200.000,-
- B.
Rp 300.000,-
- C.
Rp 400.000,-
- D.
Rp 500.000,-
Correct Answer
A. Rp 200.000,-Explanation
The profit obtained by the merchant can be calculated by finding the difference between the selling price and the buying price of the clothes. The merchant bought 3 kodi (a unit of measurement equal to 20 pieces) of clothes for Rp 600,000 per kodi, which means he spent a total of Rp 1,800,000. He then sold all the clothes for Rp 400,000 per lusin (a unit of measurement equal to 12 pieces). Since 3 kodi is equal to 60 pieces, the merchant sold the clothes for a total of Rp 2,000,000. Therefore, the profit obtained by the merchant is Rp 2,000,000 - Rp 1,800,000 = Rp 200,000.Rate this question:
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- 3.
Besar pelurus sudut SQR adalah …
- A.
101°
- B.
100°
- C.
95°
- D.
92°
Correct Answer
C. 95°Explanation
The correct answer is 95° because the sum of the angles in a triangle is always 180°. Since angle SQR is a straight angle, it measures 180°. Since angle QSR is a right angle and angle SQR is a straight angle, the remaining angle QRS must be 180° - 90° - 180° = -90°. However, angles cannot have negative measures, so we take the absolute value of -90°, which is 90°. Since angle SQR is a straight angle, the sum of its two parts (QRS and QSR) must be 180°. Therefore, angle SQR must measure 180° - 90° = 90°.Rate this question:
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- 4.
Sebuah mobil memerlukan 5 liter bensin untuk menempuh jarak 60 km. Jika mobil tersebut menghabiskan 40 liter bensin, maka jarak yang ditempuh adalah ....
- A.
200 km
- B.
240 km
- C.
300 km
- D.
480 km
Correct Answer
D. 480 kmExplanation
The car requires 5 liters of gasoline to travel 60 km. Therefore, for every 1 km, the car consumes 5/60 = 1/12 liters of gasoline. If the car has consumed 40 liters of gasoline, it means it has traveled 40 * 12 = 480 km.Rate this question:
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- 5.
Seorang pedagang membeli sebuah TV dengan harga Rp 2.000.000,-. Jika TV tersebut ia jual kembali dengan harga Rp 2.400.000,- maka persentase keuntungan yang diperoleh pedagang tersebut adalah ….
- A.
10%
- B.
20%
- C.
25%
- D.
30%
Correct Answer
B. 20%Explanation
The trader bought a TV for Rp 2,000,000 and sold it for Rp 2,400,000. To find the percentage profit, we need to calculate the difference between the selling price and the buying price, which is Rp 2,400,000 - Rp 2,000,000 = Rp 400,000. Then, we divide this profit by the buying price and multiply by 100 to get the percentage. (Rp 400,000 / Rp 2,000,000) x 100 = 20%. Therefore, the trader made a 20% profit.Rate this question:
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- 6.
Besar sudut nomor 1 adalah 95°, dan besar sudut nomor 2 adalah 110°. Besar sudut nomor 3 adalah …
- A.
5°
- B.
15°
- C.
25°
- D.
35°
Correct Answer
B. 15°Explanation
The sum of the angles in a triangle is always 180°. Therefore, to find the measure of angle number 3, we subtract the measures of angles 1 and 2 from 180°. 180° - 95° - 110° = 15°.Rate this question:
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- 7.
Suatu pekerjaan dapat diselesaikan oleh 25 orang dalam waktu 32 hari. Jika dikerjakan oleh 20 orang maka akan selesai dalam .... hari.
- A.
34
- B.
35
- C.
40
- D.
41
Correct Answer
C. 40Explanation
If a job can be completed by 25 people in 32 days, it means that the total work required is equal to 25 x 32 = 800 units of work. If the same job is done by 20 people, the work rate per day will decrease. The new number of days required can be calculated by dividing the total work (800 units) by the new work rate (20 people). Therefore, the job will be completed in 800/20 = 40 days.Rate this question:
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- 8.
Koperasi sekolah membeli suatu barang dengan harga Rp500.000,00. Apabila koperasi sekolah itu menginginkan untung 20%, maka barang itu harus dijual dengan harga…
- A.
Rp625.000,00
- B.
Rp600.000,00
- C.
Rp575.000,00
- D.
Rp550.000,00
Correct Answer
B. Rp600.000,00Explanation
The correct answer is Rp600.000,00. In order to calculate the selling price with a 20% profit, we need to add 20% of the cost price to the cost price itself. 20% of Rp500.000,00 is Rp100.000,00. Adding this to the cost price, we get Rp600.000,00. Therefore, the item should be sold for Rp600.000,00 in order to achieve a 20% profit.Rate this question:
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- 9.
Besar pelurus sudut KLN adalah …
- A.
31°
- B.
72°
- C.
85°
- D.
155°
Correct Answer
B. 72°Explanation
The correct answer is 72°.Rate this question:
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- 10.
Sebuah ruangan yang kotor memerlukan waktu 18 menit apabila dibersihkan oleh 5 orang. Bila ruangan tersebut hanya dibersihkan oleh 3 orang, maka waktu yang diperlukan adalah ....
- A.
30 menit
- B.
27 menit
- C.
25 menit
- D.
24 menit
Correct Answer
A. 30 menitExplanation
When a dirty room is cleaned by 5 people, it takes 18 minutes. If the room is only cleaned by 3 people, it would take longer because there are fewer people working. Therefore, the correct answer is 30 minutes, which is longer than the original time of 18 minutes.Rate this question:
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- 11.
Bruto dari 6 kantong gula pasir adalah 180 kg dan memiliki tara sebesar 1,5%. Berat neto dari masing-masing kantong adalah…
- A.
29,85 kg
- B.
29,75 kg
- C.
29,55 kg
- D.
29,45 kg
Correct Answer
C. 29,55 kgExplanation
The net weight of each sugar bag can be calculated by subtracting the tare weight (1.5% of the gross weight) from the gross weight. In this case, the gross weight of 6 sugar bags is 180 kg. The tare weight is 1.5% of 180 kg, which is 2.7 kg. Subtracting 2.7 kg from 180 kg gives us 177.3 kg, which is the total net weight of the 6 sugar bags. To find the net weight of each bag, we divide 177.3 kg by 6, which gives us approximately 29.55 kg. Therefore, the correct answer is 29.55 kg.Rate this question:
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- 12.
Besar penyiku ∠SQR adalah …
- A.
9°
- B.
32°
- C.
48°
- D.
58°
Correct Answer
D. 58°Explanation
The question is asking for the value of the angle "penyiku SQR". The correct answer is 58°.Rate this question:
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- 13.
Harga 1 gross sendok Rp 72.000,00. Harga 5 lusin sendok adalah ....
- A.
Rp 28.000,00
- B.
Rp 30.000,00
- C.
Rp 32.000,00
- D.
Rp 35.000,00
Correct Answer
B. Rp 30.000,00Explanation
The price of 1 gross of spoons is Rp 72,000. Since 1 gross is equal to 12 dozens, the price of 1 dozen spoons can be calculated by dividing the price of 1 gross by 12. Therefore, the price of 1 dozen spoons is Rp 6,000. To find the price of 5 dozens of spoons, we multiply the price of 1 dozen by 5. Hence, the price of 5 dozens of spoons is Rp 30,000.Rate this question:
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- 14.
Seorang pedagang menjual barangnya seharga x rupiah. Dengan penjualan itu ia untung Rp15.000,00 atau 20% dari modalnya. Nilai x adalah….
- A.
Rp75.000,00
- B.
Rp80.000,00
- C.
Rp85.000,00
- D.
Rp90.000,00
Correct Answer
D. Rp90.000,00Explanation
The trader sells his goods for x rupiah and makes a profit of Rp15,000, which is 20% of his capital. To find the value of x, we can set up the equation: 0.2x = Rp15,000. Solving for x, we divide both sides by 0.2, giving us x = Rp75,000. Therefore, the correct answer is Rp75,000.Rate this question:
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- 15.
Besar pelurus ∠AOC adalah …
- A.
32°
- B.
72°
- C.
96°
- D.
108°
Correct Answer
B. 72°Explanation
The correct answer is 72°. This suggests that the angle AOC is 72°.Rate this question:
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Mar 21, 2023Quiz Edited by
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Feb 08, 2020Quiz Created by
Rindah
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