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# CAT Previous Year Questions: Logarithms CAT Notes | EduRev

## Quant : CAT Previous Year Questions: Logarithms CAT Notes | EduRev

The document CAT Previous Year Questions: Logarithms CAT Notes | EduRev is a part of the Quant Course Quantitative Aptitude (Quant).
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Try yourself:Let x and y be positive real numbers such that log5(x + y) + log5(x - y) = 3, and log2y - log2x = 1 - log23. Then xy equals



Try yourself:If x is a real number ,then is a real number if and only if



Try yourself:The real root of the equation 26x + 23x+2 - 21 = 0 is



Try yourself:If x is a positive quantity such that 2x = 3log52 , then x is equal to



Try yourself:If log2(5 + log3a) = 3 and log5(4a + 12 + log2b) = 3, then a + b is equal to



Try yourself:If log1281 = p, then is equal to:



Try yourself:If p3 = q4 = r5 = s6, then the value of logs (pqr) is equal to



Try yourself: Try yourself:Suppose, log3x = log12y = a, where x, y are positive numbers. If G is the geometric mean of x and y, and log6G is equal to:



Try yourself:If 92x – 1 – 81x-1 = 1944, then x is



Try yourself:If x is a real number such that log35 = log5(2 + x), then which of the following is true?



*Answer can only contain numeric values
Try yourself:If log(2a × 3b × 5c) is the arithmetic mean of log(22 × 33 × 5), log(26 × 3 × 57), and log(2 × 32 × 54), then a equals

[TITA 2017]

Try yourself:The value of log0.008√5 + log√381 – 7 is equal to:



Try yourself:If 9x - (1/2) – 22x – 2 = 4x – 32x – 3, then x is



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## Quantitative Aptitude (Quant)

139 videos|138 docs|134 tests

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