Question
If a =
src='https://static.ixambee.com/public/images/quesimg/RRB NTPC (CBT, Stage 1)/Quantitative Aptitude/Algebra/77087_3753501.gif'> and bĀ =Ā Ā Ā ,Ā then the value of (a2+b2+ab) isSolution
a =Ā /Quantitative Aptitude/Algebra/77087_7983479.gif)
Ā and bĀ =Ā Ā So here, abĀ =Ā Ā Ā = 1 & a+bĀ =Ā Ā Ā Ā Ā = = 2{ (ā7)2+ (ā6) 2}/1 = 2(7+6) =26 then the value of (a2+b2+ab) = a2+b2+2ab -ab = (a+b)2 -ab = 262 - 1 = 676 -1 = 675.
What is the sum of all the numbers between '#' and 'N'?Ā
- How many such pairs of letters are there in the word āBOTTLEā, each of which has as many letters between them in the word (in both forward and backward...
Complete the alphabetical series choosing the most appropriate option given below.
U, O, ?, E, A
- How many vowels are to the right of 'P'?
- Select the combination of letters that when sequentially placed in the blanks of the given letter series will complete the series.
_ _ r s _ p q _ ... In a certain code language, āPLANā is coded as ā47ā and āMARKā is coded as ā47ā. How is āBIRDā coded in the given code language?
...How many alphabets are immediately followed by a number, which is less than 5 in the given arrangement?
Select the combination of letter that when sequentially placed in the blanks of the given series will complete the series.
R R _ _ U V R _ S T...
Select the combination of letters that when sequentially placed in the blanks of the given letter series will complete the series.
_ _ L N _ V...
How many 7s are there in the following sequence that is immediately succeeded by an even number?
2 7 4 5 7 8 1 7 3 9 7 6 4 7 2 8 7 5 3
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