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Total age of Arjun, Binny and Chinu = 21 × 3 = 63 years Let the age of Chinu be‘c’ years Age of Binny = ‘2c’ years Age of Arjun = ‘2c + 3’ years According to the question, 2c + 3 + 2c + c = 63 5c + 3 = 63 5c = 60 c = 12 Age of Binny = 24 years Age of Chinu = 12 years Required difference = 24 – 12 = 12 years
Quantity I: The cash price of a notebook is Rs. 100 but is can also be purchased on 11 monthly equal instalments of Rs. 10 each. Find rate of S.I.?
...The quadratic equation (p + 1)x 2 - 8(p + 1)x + 8(p + 16) = 0 (where p ≠ -1) has equal roots. find the value of p.
I. x2 + 11x + 30 = 0
II. y2 + 17y + 72 = 0
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 and choose the...
I. 3p2 - 11p + 10 = 0
II. 42q2 + q -1 = 0
I. 20y² - 13y + 2 = 0
II. 6x² - 25x + 14 = 0
I. 5x + 2y = 31
II. 3x + 7y = 36
I. 2y² - 11 y + 15 = 0
II. 2x² + 3x – 14 = 0
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 and choose the...
I. x2 - 11x + 24 = 0
II. y² - 5y + 6 = 0
