PPSC PAST PAPERS MCQS 2004 TO 2020 OF BASIC MATHEMATICS
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چار آپشن میں سے کسی ایک پر کلک کرنے سے جواب سرخ ہو جائے گا۔
- Multiplication
- Division
- Addition
- Subtraction
اس سوال کو وضاحت کے ساتھ پڑھیں
Explanation
To convert numbers from decimal to binary
The given decimal number is divided repeatedly by 2 and the remainders are noted down till we get 0 as the final quotient.
- 15
- 20
- 25
- 30
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Explanation

- 330
- 990
- 700
- 1100
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Explanation
= 30/ 100 (3300)
= 990
- 90
- 110
- 25
- Data inadequate
اس سوال کو وضاحت کے ساتھ پڑھیں
Explanation
To solve the problem, let us assume the total number of boys is and the total number of girls is . According to the problem:
- of the boys are present, so the number of boys present is
- of the girls are present, so the number of girls present is .
The total number of students present is given as:
B/3+G/2=Total students present.
Step 1: Check if additional information is provided
- The problem does not give the total number of boys () or girls (), nor a relationship between and .
- Without this, we cannot calculate the total number of students present.
Step 2: Conclusion
Since no additional information about and is given, the correct answer is:
(D) Data inadequate.
- 8/81
- 4/9
- 1/2
- 8/9
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Explanation
Multiply the numerators:
2×4=8Multiply the denominators:
9×9=81
2/9×4/9=8/18
- 7
- 8
- 6
- None of these
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Explanation
2x + 7 = 19
2x = 19 - 7
2x = 12
x = 12/2
x = 6
- 22/7=3.14
- 22/11=2
- 22/7=3.2
- None of these
اس سوال کو وضاحت کے ساتھ پڑھیں
Explanation
The correct value of 22/7 is approximately 3.14.
- 8
- 6
- 7
- None of these
اس سوال کو وضاحت کے ساتھ پڑھیں
Explanation
294 × 6 = 1764 = 42²
- 180 1
- 40
- 150
- None of these
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Explanation
1 inch = 60
2.5 inches = 2.5 x 60 = 150
- 26
- 27
- -27
- None of these
اس سوال کو وضاحت کے ساتھ پڑھیں
Explanation
= -3^3
= -3 × -3 × -3
= -27