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We'll simplify 5x² - 13xy + 6y2 = 0, by splitting the xy term 5x2 -10xy - 3xy + 6y2 = 0 = 5x (x-2y) - 3y (x-2y) = 0 = (5x-3y) (x – 2y) = 0 Taking, ⇒ 5x - 3y = 0 ⇒ 5x = 3y ⇒ x: y = 3:5 Taking, ⇒ x - 2y = 0 ⇒ x = 2y ⇒ x: y = 2:1 Finally x:y =3:5 or 2:1
123 : 321 :: 564 : ?
A recent survey for XYZ city showed that 56 percent of the population is below 21 years (exactly 21 years old not included), 25 percent of the rest of p...
Select the combination of numbers that when placed sequentially in the blanks of the given series will complete the series.
6 _ 2 3 _ 1 _ _ 8 ...
Select the set in which the numbers are related in the same way as are the numbers of the following sets:
(7,11, 72)
(5, 8, 39)
(NO...
Four numbers have been given, out of which three are alike in some manner and one is different. Select the number that is different.
Singer : Chorus : : Fish : ?
Select the option that is related to the third number cluster in the same way the second number cluster is related to the first number cluster.
3...
Select the option that is related to third letter cluster in the same way second letter cluster is related to first letter cluster.
REASON: WVF...
Select the option that is related to third cluster in the same way first cluster is related to second cluster.
NAP: 93 :: DEAF: ?
Select the option that is related to the third word in the same way as the second word is related to the first word.
Fruit : Apple : : Fuel : ?
