1.

Write 'T' for true and 'F' for false for each of the following (i) Mean proportional between 0.4 and 0.9 is 0.6 (ii)The third proportional to 9 and 12 is 10.5. (iii) If 8 : x :: 48 : 18, then x = 3 If (3a + 5b): (3a - 5b) = 5 : 1 then a : b = 5 : 2

Answer»


ANSWER :(T)
(F)
(T)
(T)


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