Question
A spent 23% of his monthly income on study and 40% of
the remaining on rent. If amount spent on rent is Rs. 770, then find the amount spent on studySolution
Let, monthly income of A is Rs. x So, 0.77 × 0.4 × x = 770 So, x = 2500 Amount spent on study = 0.23 × 2500 = Rs. 575
More Percentage Questions
I. 27x6 - 152x3 + 125 = 0
II. 216y6 - 91y3 + 8 = 0
I: x² - 10x + 21 = 0 Â
II: 4y² - 16y + 15 = 0
I. x + 1 = 3√ 9261
II. y + 1 = √ 324
Solve the quadratic equations and determine the relation between x and y:
Equation 1: x² - 32x + 252 = 0
Equation 2: y² - 30y + 221 = 0
I. 10x2 + 33x + 9 = 0
II. 2y2 + 13y + 21 = 0
I.8(x+3)+ 8(-x)=72Â
II. 5(y+5)+ 5(-x)=150Â
I. 7x² + 52x + 21 = 0
II. 6y² + 7y - 24 = 0
I. x2 + x – 42 = 0
II. y2 + 6y – 27 = 0
If ‘y1’ and ‘y2’ are the roots of quadratic equation 5y2 – 25y + 15 = 0, then find the quadratic equation whose roots are ‘3y1�...
Relevant for Exams:
