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Let the length of the edges of the two cubes be ‘a’ cm and ‘b’ cm, respectively According to the question, 6a2 + 6b2 = 1272 Or, a2 + b2 = 1272/6 = 212 And, ab = 98 Using the formula, x2 + y2 = (x – y)2 + 2xy 212 = (a – b)2 + 2 × 98 Or, (a – b)2 = 212 – 196 Or, (a – b)2 = 16 Or, a – b = ±4 So desired difference = 4 cm
P + Q means ‘P is the brother of Q’, P - Q means ‘P is the daughter of Q’, P ÷ Q means ‘P is the husband of Q’, P × Q means ‘P is the so...
If A $ B means A is son of B, A # B means A is brother of B and A * B means A is father of B, then what does P # Q * R $ S mean?
If Q is the granddaughter of T, which of the following is false?
If ' Y $ I @ W, I # T % S, I % P' , then how is Y related to S?
( A $ B ) means A is father of B, ( A % B ) means A is brother of B, ( A @ B ) means A is wife of B. If K @ I $ J % G @ H $ F , then, which of the foll...
How is C related to V?
If A # B means ‘A is the father of B’, A $ B means ‘A is the brother of B’, A % B means ‘A is the son of B’, A & B means ‘A is the sister ...
If ' S # F % G, R $ N $ G, H % N, P $ S % T' is true, then which among the following statement/statements is/are correct?
Statements:
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If G @ H & I % J @ L ^ K then how is J related to H?