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MATHEMATICS

Basic Mathematics
If 3 𝑥 + 5 𝑦 = 20 and 2 𝑥 − 3 𝑦 = 4, what is the value of 𝑥 − 𝑦?
A. 2.
B. 3.
C. 4.
D. 5.
Elizabeth
MATHEMATICS

Basic Mathematics
If the cost price is 25% of the selling price. Then what is the profit percent?
A. 400%.
B. 300%.
C. 200%.
D. 100%.
Fani Warraich
MATHEMATICS

Basic Mathematics
Obeer paid Rs. 9600 as interest on a loan he took 5 years ago at a 16% rate of simple interest. What was the amount he took as a loan?
A. 15000.
B. 14000.
C. 13000.
D. 12000.
Fani Warraich
MATHEMATICS

Basic Mathematics
Average of all prime numbers between 30 to 50
A. 40.
B. 39.8.
C. 39.5.
D. 39.6.
Fani Warraich
MATHEMATICS

Basic Mathematics
Find the sum of the first 30 natural numbers
A. 38.5.
B. 37.5.
C. 36.5.
D. 35.5.
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