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If x + (1/x )= 5 Then x2+ (1/x2 ) =52 – 2 = 23 and x3+(1/x3 ) =53 - 3 × 5 = 125 – 15 = 110 so x5+ (1/x5 ) = (x2+ 1/x2 ) (x3+1/x3 ) - (x + 1/x ) x5+ (1/x5 ) = (23 × 110) - (5) = 2530 - 5 = 2525
Which of the following numbers will replace the question mark (?) in the given series?
420, 462, 506, ?, 600, 650, 702
Select the triad which following the same pattern as that followed by the two triads given below. Both triads follow the same pattern.
EV – GT ...
In a certain code language, if ‘raghav plays hockey’ is written as ‘xfjdni rzzmo ubghzs’, then ‘arun works hard’ will be written as:
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Six letters S, T, M, P, R and C are written on different faces of a dice. Two positions of this dice are shown in the figures below. Find the letter on ...
Who is sitting at the other end of the row?
Three statements are followed by three conclusions numbered I, II and III. You have to consider these statements to be true, even if they seem to be at ...
Statements:
Some teachers are scientists.
All scientists are doctors.
All doctors are engineers.
Conclusions:
I. ...
In a certain code language, ‘CRUSADE’ is written as ‘ETTUZFD’ and 'MUSICAL' is written as ‘OTUHEZN’. How will ‘AUGUST’ be written in tha...
How many such numbers are there in the following string each of which is NOT followed by a symbol?
6 K 5 % L T 8 B 4 G 9 # E Q 7 G 5 $ 9 % U P 3 ...
