Question
If x+3, x-2, 6 and 5 are in proportion then find the
mean proportional to x and 9x2.Solution
=> (x + 3)/(x – 2) = 6/5 => 5x + 15 = 6x – 12 => x = 27 Mean proportional to x and 9x = √(x × 9x) = 3x = 3 × 27 = 81
How many files are facing the north direction?
Six D, E, F, G, H and I are sitting in a row facing north (not necessarily in the same order). Only three person are sitting between G and E. G is not a...
Which of the following pairs has only one person sitting-between them, if the counting is done in clockwise direction?
Four of the following five are alike in a certain way based on a group, find the one that does not belong to that group?
Six persons D, E, F, G, H, and I are sitting in a straight row facing north direction but not necessarily in the same order. Two persons sit between F ...
How many persons are sitting between person R and person T?
How many persons sit to the left of S?
Who among the following person sits exactly between P and W?
The Person who likes Grapes in the circular arrangement, likes which of the following fruits in the row arrangement? Â
How many persons sit in the row?
Relevant for Exams:
