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x, y and z are prime numbers and x+y+z = 38. What is the maximum value of x?
x,y तथा z अभाज्य संख्याएँ है तथा x+y+z = 38 है। x का अधिकतम मान क्या है?

A

19

B

23

C

31

D

29

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CHAMPION PUBLICATION-2017 TIER-II PAPER(9)-EXERCISE
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  2. What is the unit digit of 1^5+ 2^5+ 3^5 +...+20^5? 1^5+ 2^5+ 3^5 +.....

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  3. x, y and z are prime numbers and x+y+z = 38. What is the maximum value...

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  4. N is the smallest three digit prime number. When N is divided by 13. T...

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  5. How many natural numbers are there between sqrt(261) and sqrt(45109) ?...

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  6. What is the value of sqrt(121)+sqrt(12321)+sqrt(1234321)+sqrt(1234543...

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  7. p^3+q^3+r^3-3pqr=4. lf a=q+r, b=r+p and c=p+q, then what is the value ...

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  8. If alpha and beta are the roots of the equation x^2 + x-1=0, then what...

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  9. If x and y are natural numbers such that x+ y = 2017, then what is the...

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  10. If x+(1//x)=(sqrt3+1)//2, then what is the value of x^4+(1//x^4) ? ...

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  11. If a+a^2+a^3-1=0, then what is the value of a^3 + (1//a)? यदि a+a^2+...

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  12. If a-(1//a) = b, b-(1//b) =c and c - (1//c) = a, then what is the valu...

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  13. If the roots of the equation a(b - c)x^2 + b(c- a)x+ c(a-b)=0 are equa...

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  14. If [sqrt((a^2+b^2+ab))]+[sqrt((a^2+b^2-ab))] =1, then what is the valu...

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  15. If 3x+ 4y-11 = 18 and 8x- 6y +12 = 6, then what is the value of 5x- 3y...

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  16. If a +b+c=7//12,3a-4b+5c= 3//4 and 7a-11b- 13c= 7//12, then what is th...

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  17. In the given figure, PQ = PS = SR and angleQPS=40^(@). Then what is th...

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  18. In the triangle PQR, C is the centroid. PQ = 30 cm, QR = 36 cm and PR ...

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  19. In the figure, AQ=4sqrt(2)cm,QC=6sqrt(2)cmandAB=20cm. If PQ is paralle...

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  20. In the given figure. If AD = 12 cm, AE = 8 cm and EC = 14 cm, then wha...

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