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The coordinates of the foot of the perpe...

The coordinates of the foot of the perpendicular drawn from the point P(1, 2, 1) to the straight line joining the points Q(1, 4, 6) and R(5, 4, 4) are -

A

(3, -5, -4)

B

(3, 4, 5)

C

(3, -4, 5)

D

(-3, -4, 5)

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The correct Answer is:
B
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CHHAYA PUBLICATION-MCQ ZONE -Question Paper 2
  1. A and B are two events such that P(A cup B)=(3)/(4), P(A cap B)=(1)/(...

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  2. One root of the equation |(x+a,b,c),(b,x+c,a),(c,a,x+b)|=0 is -

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  3. The coordinates of the foot of the perpendicular drawn from the point ...

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  4. If omega is a cube root of unity then the value of |(1,omega,omega^(...

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  5. The angle between the pair of straight lines whose direction cosines a...

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  6. If A and B are two events such that P(A cup B)=(5)/(6), P(A cap B)=(1)...

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  7. If A=[(1,0,2),(-1,1,-2),(0,2,1)]" and Adj "A=[(5,a,-2),(1,1,0),(-2,-2,...

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  8. If the straight lines (x-2)/(a)=(y+3)/(-4)=(z-2)/(3) and (x+2)/(3)=(y...

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  9. The coordinates of the point where the line (x-3)/(1)=(y-4)/(2)=(z-5)...

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  10. If a=1+2+4+… to n terms, b=1+3+9… to n terms and c=1+5+25+… to n term...

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  11. The distance between the point (-1, -5, -10) and the point of interse...

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  12. If the direction ratios of two lines are 2, -3, 6 and 1, -2, 2 respect...

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  13. A coin and a six faced die, both unbiased, are thrown simultaneously....

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  14. A number is chosen at random among the first 120 natural numbers. What...

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  15. If A=((-1,0),(0,2)) then the value of A^(3)-A^(2) is equal to -

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  16. If 1, omega,omega^(2) are the cube roots of unity then the vlue of m f...

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  17. If A=[(-x,-y),(z,t)], then the transpose of adj A is -

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  18. A die is thrown if it shows a six, we draw ball from is bag containing...

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  19. The solutions of the equation |(x,2,-1),(2,5,x),(-1,2,x)|=0 are -

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  20. The vector of magnitude 12, which is perpendicular to both the vect...

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