Question
Sum of squares of three consecutive numbers is 1877.
Find the sum of first and third number.Solution
Let the numbers be (x – 1), x and (x + 1) => (x – 1)2 + x2 + (x + 1)2 = 1877 => x2 – 2x + 1 + x2 + x2 + 2x + 1 = 1877 => 3x2 = 1877 - 2 => x2 = 1875/3 => x2 = 625 => x = 25 Required sum = (25 – 1) + (25 + 1) = 50
Find the appropriate word.
In Argentina in 2014, people first discovered Titanosaurs, ______ are dinosaurs.
Fill in blank 1 with the appropriate word from the options.
Find out the appropriate word in 1.
Select the most appropriate option for blank No. 4.
Find the appropriate word.
Blank 27
Choose an appropriate word that fits the blank 200.
Alyssa Healy and her merry bunch will be the team that most squads, including old rival England, will be want to knock off the pedestal.
From the following select the appropriate word to replace number (49) in the above passage.Â
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