Question
Find the mean proportion of 7.2 and
16.2.Solution
ATQ,
Mean proportion of 'a' and 'b' = √ab
So, required mean proportion = √(7.2 X 16.2)
= √(6 X 1.2 X 6 X 2.7)
= 6 X √(1.2 X 2.7)
= 6 X √(3 X 0.4 X 3 X 0.9)
= 6 X 3 X √(0.4 X 0.9)
= 6 X 3 X √(0.36)
= 6 X 3 X 0.6
= 10.8
Choose the odd one out:
Eight boys B1, B2, B3, B4, B5, B6, B7 and B8 are sitting in a row facing towards the north (not necessarily in the same order). B6 is fifth to the right...
Four of the following five are equal in a certain way and form a group.
Which one is not related to that group?
C, Q, S, E, I
Select the option that is related to the third term in the same way as the second term is related to the first term.
Human body : Medicines : : Plants : ?
If PAYMENT is coded as 7174552, then how would YOUNGER be coded?
Giridar was at a temple and was facing west. He turns 45° in the clockwise direction to collect a token, then another 180° in clockwise direction. He ...
MISTER-8 is related to UHWVLP--88 in a certain way based on certain logic. In the same way, FIXING-16 is related to JQLALI-272. Which of the following a...
Select the letter cluster that will come next in the following series.
CHD, EJF, ______
Four letter-clusters have been given, out of which three are alike in some manner, and one is different. Select the one that is different.
(Note:...
If in a code language, 'HOOK' is written as 'KUXW', then how will 'COKE' be written in the same code language?
