In an A.P a9 = 40, then find sum of first 17 terms of that A.P.
General form of A.P is a, a + d, a + 2d, a + 3d….. Here a9 = 40; so 9th term is a + 8d = 40 then S17 =? ⇒ Sn = (n/2) [2 x a + (n – 1)d] = 0 ⇒ S17 = (17/2) [2a + 16d] ⇒ (17) [a + 8d] ⇒ 17 x 40 = 680
Select the letter-cluster from among the given options that can replace the question mark (?) in the following series.
PNNA, RPPE, TRRI, VTTO, ?
If each vowel of the word QUALITY is changed to the next letter of the English alphabets and each consonant is changed to the previous letter of the Eng...
In the word ‘IMPORTANT’ all consonants are written as their preceding letter and all vowels are written as their following letters. Now all letters...
In a certain code RAINBOW is written as VNAMHZQ. How is SEMINAR written in that code?
Select the option that is related to the third term in the same way as the second term is related to the first term.
KJPO: PQKL:: LINO:?
If A denote ÷, B denotes x, C denotes + and D denotes -, what is the value of 16 B 20 A 4 C 5 D 6.
Arrange the following in the English alphabetical order:
(i) Exploration (ii) Exploitative
(iii) Exploratory (iv) Exploitation
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If in a certain language KINDLE is coded as ELDNIK, how is FASHION coded in that code?
Select the option that is related to the third term in the same way as the second term is related to the first term.
DFB : GHC :: LNJ : ?
