Question
In the following questions, Four words are given, out of
which only one word is correctly spelt. Find the correctly spelt word.Solution
Pronunciation. Even though the verb form of this word is pronounce, the noun – pronunciation – does not have ‘o’ in the middle.
I. 8a2 – 22a+ 15 = 0
II. 12b2 - 47b + 40=0
I. 5x² + 17x + 6 = 0
II. 2y² + 11y + 12 = 0
...- Find the value of p if the quadratic equation x² + px + 36 = 0 has real and equal roots.
I. 35x² + 83x + 36 = 0
II. 42y² + 53y + 15 = 0
I. 4x2 + 3√7 x-7 =0
II. 7y2 + 4√7 y-5=0
Solve the quadratic equations and determine the relation between x and y:
Equation 1: 21x² - 122x + 160 = 0
Equation 2: 23y² - 159y + ...
Quantity I: A vessel contains a mixture of milk and water in the ratio of 7 : 5. If 9 litre of mixture is sold and replaced by same amount of water then...
I. 6x² + 37x + 45 = 0
II. 3y² - 11y + 6 = 0
I. 2x2 – 19x + 45 = 0
II. y2 – 14y + 48 = 0
Solve the quadratic equations and determine the relation between x and y:
Equation 1: 3x² + 6x - 9 = 0
Equation 2: 2y² - 16y + 32 = 0
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