alleryStart learning →The third proportional to 4 and 6 is
A10
B9
C8
D12
Answer & Solution
Correct answer: B. 9
From 4:6 = 6:x we get x = 36/4 = 9.
Keep practising Ratio and Proportion, Indices and Logarithms
Browse all Ratio and Proportion, Indices and Logarithms questions for CA Foundation, or explore more Quantitative Aptitude topics.
Related questions
If log base x of 64 equals 3, then x equalsThe value of log base 5 of 125 plus log base 2 of 8 isFor positive a and b (not 1), (log base a of b) x (log base b of a) equalsLog of a product xy equalsIf log10 of an integer is 3.78, how many digits does it have?Who published the first set of base-10 logarithms in 1617?Who introduced logarithms in 1614?The base of the natural logarithm is approximately