89% of ? + 365 = 1075.22
? (89/100) x ? = 1075.22 - 365
? ? = 71022/89 = 798
20% of N =90
? N x (20/100) = 90
? N = 90 x 5 = 450
5% of 50% of 500
= (5/100) x (50/100) x 500
= 12.5
Profit or loss percent = ab/100 %
= (20 x 20)/100 %
= -4%
Let Z = 100, X = 100 - 30 = 70
Y = 100 - 35 = 65
? Y is less by X = (70 - 65)/70 x 100%
= 5/70 x 100% = 71/7 %
Minimum passing marks = 50 + 50 = 100
Let the total marks = x
Then, 50% of x = 100
? x = (100/50) x 100 = 200
Given, P = 15, Q = 20 and R = 25
According to the formula
R% of A = [(QR)/P]% of B
25% of A = (20 x 25)/15 % of B
= 100/3 % of B
= 331/3 % of B
Let the number be N,
Then, 137.5% of N = 33
? N = (33 x 100)/137.5 = 24
Percentage increased in salary = [(8100 - 7200)/7200] x 100
= [900/7200] x 100
= 12.5%
= 121/2%
Given, A = 5B/6
Let Income of B = N
? A = 5N/6
Required percentage = [(N - 5N/6) / (5N/6)] x 100
= [(6N - 5N)/5N] x 100
= (1/5) x 100 = 20%
Let the required amount of money be N.
Then, N x 25% = 180 x 121/2%
? N = (180 x 12.5)/25
= ? 90
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