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objective Ques (278 results)
271)

यदि \({a} + \frac{1}{{{a}}}=5\) है, तो \({a^3} + \frac{1}{{{a^3}}}\) का मान क्या होगा?

SSC CGL 2022
A)

105

B)

15

C)

110

D)

–10

272)

a2 + b2 + c2 - 2ab - 2bc + 2ca का मान क्या है?

SSC CGL 2022
A)

(a – b – 2c)2

B)

(a – b + c)2

C)

(2a + b + c)2

D)

(a + 2b – c)2

273)

यदि \(\frac{x}{8} + \frac{8}{x} = 1\) है, तो x3 का मान क्या होगा?

SSC CGL 2022
A)

256

B)

-512

C)

-256

D)

512

274)

If p = 8.15, q = 9.06 and r = -17.21, then the value of p3 + q3 + r3 - 3pqr is:

SSC CGL 2022
A)

4.75

B)

-5.62

C)

-3.81

D)

0

275)

 यदि   \(x^4 +\frac{16}{x^4}\)  = 15617, \(x > 0 \)है, तो\( x +\frac{2}{x}\) का मान ज्ञात कीजिये।

SSC CGL 2022
A)

\(\sqrt{123}\)

B)

\(\sqrt{129}\)

C)

\(\sqrt{121}\)

D)

\(\sqrt{127}\)

276)

यदि x = 222, y = 223 और z = 224 है, तो x3 + y3 + z3 - 3xyz का मान ज्ञात कीजिये।

SSC CGL 2022
A)

2006

B)

2004

C)

2007

D)

2005

277)

यदि \(6x^2\) + \(13x\) + 7 = 0 के मूल α, β हैं, तब वह समीकरण कौन-सा है, जिसके मूल \(α^2, β^2\) हैं?

SSC CGL 2022
A)

\(36x^2 - 85x - 49 = 0\)

B)

\(36x^2 - 85x + 49 = 0\)

C)

\(36x^2 - 87x + 49 = 0\)

D)

\(36x^2 + 87x - 49 = 0\)

278)

यदि x + y + z = 0 और \(x^2 + y^2 + z^2 = 40\) है, तो xy + yz + zx का मान क्या है?

SSC CGL 2022
A)

-5

B)

5

C)

-20

D)

-10

showing 271 - 278 results of 278 results

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