Select the related word/letters/numbers from the given alternatives:
12:20::30: ?
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ACEG:BDFH::IKMO: ?
Air:Bird::Water:
Sashi can do a piece of work in 20 days. Tanya is 25% more efficient than Sashi. The number of days taken by Tanya to do the same piece of work is:
The average of 15 numbers is 7. If the average of the first 8 numbers is 6.5 and the average of the last 8 numbers is 8.5 then middle number is
The reciprocals of the squares of the numbers 11⁄2 and 11⁄3 are in the ratio
Number of composite numbers lying between 67 and 101 is
Atomic number of an atom gives the number of which of the following ?