Question
KNQU, JGDA, UXAD, ?
Select the letter that can replace the question mark in the following series.Solution
K + 3 = N, N + 3 = Q, Q + 3 = T J – 3 = G, G – 3 = D, D – 3 = A U + 3 = X, X + 3 = A, A + 3 = D Y – 3 = V, V – 3 = S, S – 3 = P
I. x2 - 4x – 21 = 0
II. y2 + 12y + 20 = 0
I. y/16 = 4/yÂ
II. x3 = (2 ÷ 50) × (2500 ÷ 50) × 42 × (192 ÷ 12)
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...
How many values of x and y satisfy the equation 2x + 4y = 8 & 3x + 6y = 10.
I. Â x2 = 10 Â Â Â Â Â Â Â Â Â Â Â Â Â Â Â Â
II. Â y2 - 9y + 20 = 0
...I. x3 = 1728
II. y2 – 15y + 56 = 0
Solve the quadratic equations and determine the relation between x and y:
Equation 1: x² - 29x + 210 = 0
Equation 2: y² - 27y + 182 = 0
Equation 1: x² - 144x + 5184 = 0
Equation 2: y² - 130y + 4225 = 0
I. √(17x) + √51 = 0  Â
II. √(4y) + 3 = 0
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