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: Let the number of biology, chemistry and physics books be B, C and P. B+C+P =360×3=1080 B+C+P=1080 … (1) Biology books =180+Average number of (C and P) B=180+(C+P)/2 2B=360+C+P 2B-C-P=360 … (2) Physics books =Average of (B+C)/2 -180 P=B+C)/2 -180 2P=B+C-360 B+C-2P=360 … (3) Adding Equation (1) and (3) and subtracting (2) ... (B+C+P) + B+C-2P -2B+C+P=1080+360-360 3C=1080 C=360.
If 25 @ 20 = 5 and 28 @ 23 = 14, then 26 @ 21 = ?'. What will come in place of question mark?
6 : 120 : : 24 : ?
Select the option that is related to the third number in the same way as the second number is related to first number and the sixth number is related to...
Select the option in which the numbers share the same relationship as that shared by the numbers in the set given below:
(480, 238, 484)
A series is given with one term missing. Choose the correct alternatives from the given ones that will complete the series.
KMN, OQR, SUV, WYZ, ____.
Select the option that is related to the third number in the same way as the second number is related to the first number.
55 : 86 :: 37 : ?
Select the option in which the numbers are not related in the same way as are the number of the following set.
(12, 60, 360)
...Bull : Cow :: Tutor : ?
Select the option that is related to the third term in the same way as the second term is related to the first term.
CNOP: EKSK :: UWQZ: ?
Select the option that is related to third number-cluster in the same way first number cluster is related to second number-cluster.
34: 25 :...
