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nombor nisbah

Authored by THILAGAVATHY Moe

Mathematics

7th Grade

Used 1+ times

nombor nisbah
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15 questions

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1.

MULTIPLE CHOICE QUESTION

30 sec • 1 pt

Susun integer berikut mengikut tertib menaik.

12, -9, 9, -3

12, 9, -9, -3

-3, -9, 9, 12

12, -9, 9, -3

-9, -3, 9, 12

Answer explanation

The correct order is -9, -3, 9, 12 as it follows the ascending order from negative to positive integers.

2.

MULTIPLE CHOICE QUESTION

30 sec • 1 pt

Antara berikut, yang manakah pecahan yang paling besar?

Answer explanation

Pecahan yang paling besar adalah \frac{7}{10} karena memiliki nilai yang lebih besar dari pecahan lainnya dalam pilihan.

3.

MULTIPLE CHOICE QUESTION

30 sec • 1 pt

Dalam suatu kuiz Sains yang mempunyai 50 soalan, 5 markah diberi bagi jawapan yang betul dan -3 markah bagi jawapan yang salah. Annie menjawab 28 soalan dengan betul dan bakinya salah. Hitung jumlah markah Ali.

-66

50

74

140

Answer explanation

To calculate Ali's total score, we multiply the number of correct answers (28) by 5 and subtract the number of incorrect answers (22) multiplied by 3. Therefore, the total score is 28*5 - 22*3 = 140 - 66 = 74.

4.

MULTIPLE CHOICE QUESTION

10 sec • 1 pt

Nilaikan -3.7 + (4.25 + 2.85) x 0.3

-1.57

1.57

-2.55

2.55

Answer explanation

To solve the expression, first calculate the sum inside the parentheses: 4.25 + 2.85 = 7.1. Then multiply 7.1 by 0.3 to get 2.13. Finally, add -3.7 to 2.13 to get -1.57, which is the correct answer.

5.

MULTIPLE CHOICE QUESTION

10 sec • 1 pt

Sebuah lif berada pada aras H pada suatu ketika. Lif itu naik dua tingkat setinggi 9.8 m. Lif itu kemudian menurun 5 tingkat. hitung jarak lif itu dari aras H sekarang.

14.7 m di bawah aras H

15.7 m di bawah aras H

16.7 m di bawah aras H

13.7 m di bawah aras H

Answer explanation

Lif naik 2 tingkat setinggi 9.8 m, jadi naik 19.6 m. Kemudian turun 5 tingkat, turun 49 m. Jadi, jarak lif dari aras H sekarang adalah 19.6 - 49 = 14.7 m di bawah aras H.

6.

MULTIPLE CHOICE QUESTION

10 sec • 1 pt

Nilaikan 3.5 - ( -6.5 ) x 0.2

4.8

4.6

4.4

4.2

Answer explanation

To solve the expression, first perform the operation inside the parentheses: -6.5 x 0.2 = -1.3. Then, subtract -1.3 from 3.5 to get 4.8 as the final result.

7.

MULTIPLE CHOICE QUESTION

1 min • 1 pt

Media Image

Pilih integer yang betul. / Choose the correct integers.

-0.47

0.47

-81

-8.1

Answer explanation

The correct integer choice is -81, as it is the only whole number provided in the answer choices.

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