Question
Martin donated 13% of his salary to an organization
working for the blind people, 12% of his salary to the orphanage, 14% of his salary, the institution working for the physically challenged people, and 16% of his salary Doctoral Assistance Institution The remaining amount of the salary is deposited in the bank for Rs 42,750 monthly expenditure. Find out the amount donated in the orphanage.Solution
Let the total salary of the Martin be Rs. x, then Total Percentage of salary donated = 13 + 12+14+ 16 = 55% According to the question x × 45/100 = 42750 x = 42750 × 100/45 = 95000 Rs The amount donated in the orphanage = x × 12/100 = 95000× 12/100 = 11,400
For 3x² − 10x − 8 = 0, find (1/α + 1/β).
In the question, two equations I and II are given. You have to solve both the equations to establish the correct relation between x and y.
I. 3x<...
I. 2x2 - 9 x + 9 = 0Â
II. 2y2 - 7 y + 3 = 0
I. 8x² - 74x + 165 = 0
II. 15y² - 38y + 24 = 0
I. 3x2 - 16x - 12 = 0
II. 2y2 + 11y + 9 = 0
In the question, two equations I and II are given. You have to solve both the equations to establish the correct relation between 'p' and 'q' and choose...
For what values of k does the equation x² – (k+1)x + k = 0 have two distinct real roots, both greater than 1?
l. x2 - 16x + 64 = 0
II. y2Â = 64
I. 66x² - 49x + 9 = 0
II. 46y² - 37y - 30 = 0
I. 3p² - 17p + 22 = 0
II. 5q² - 21q + 22 = 0
Relevant for Exams:
