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CBSE Guess > Papers > Question Papers > Class XII > 2005 > Maths > Delhi Set-II

MATHEMATICS 2005 (Set II—Delhi)

Except for the following questions, all the remaining questions have been asked in Set I.

SECTION - A

 Q .1 Four for the drawn randomly form a well shuffled pack of 52 cards. Find the probability of getting 3 diamonds and one spade.

Q. 6. If find

 Q. 9. If find

Q. 15. Prove that the line is a tangent to the curve at point where the curve cuts y-axis.

Q. 17. Prove that the surface area of a solid cuboid, base and given volume, is minimum when it is a cube.

SECTION - B

 Q. 20. Force and act at a point P, with position vector. Find the vector moment of the resultant of these forces about the point Q whose position vector is

 Q. 22. A car has a velocity of 30 m/sec at a certain instant. After 10 seconds, the velocity becomes 60 m/sec. If rate of change of velocity is uniform, find the distance this period.

Q. 24. Show that the lines intersect, also find he point of intersection.

SECTION - C

 Q. 20. An insurance company insured 2000 scooters and 3000 motor cycles. The probability of an accident involving a scooter is 0.01 and that of a motor cycle is 0.02. An insured vehicle met with an accident. Find the probability that the accidented vehicle was a motor cycle.

Q. 24. A person deposits Rs.1,00,000 in a bank at the end of each year for 10 years. If the compound interest at 10% per annum is reckoned, that would be the sum standing to his credit at the end of the period? [Use (1.1) 10 =2.594]

Maths 2005 Question Papers Class XII