CBSE Class 10 Mathematics Sample Paper 2013 Set N

Q1. If the area of a circle is 301.84 cm², then its circumference is 

(a) 4.6cm

(b) 9.8cm

(c) 61.6cm

(d) 59.4cm 

Q2. A letter is chosen at random from the word “PROBABILITY”. The probability that it is a vowel is 

(a) 1/11

(b) 2/11

(c) 3/11

(d) 4/11 

Q3. If the length of a shadow cast by a pole is 3 times the length of the pole, then the angle of elevation of the sun is 

(a) 45°

(b) 30°

 (c) 60° 

(d) 90° 

Q4. The mid-point of the line segment joining P(-2,8) and Q(-6,-4) is 

(a) (-4,2)

(b) (4,2)

(c) (4,-2)

(d) (-4,-2) 

Q5. In given figure, the length of BC is 

(a) 4 units

(b) 6 units

(c) 8 units

(d) 10 units 

Q6. A spherical steel ball is melted to make 8 new identical balls. Then the radius of each new ball is how much times the radius of the original ball? 

(a) 1/2

(b) 1/3

(c) 1/4

(d) 1/8 

Q7. If 1/2 is a root of the equation x²+kx -5/4 =0, then the other root of the quadratic equation is 

(a)- 5/2

(b) -2

(c) 1/4

(d) 1/2 

Q8. If the sum of n terms of an AP is 3n2+n and its common difference is 6, then its first term is 

(a) 2

(b) 3

(c) 1

(d) 4 

Q9. The condition that the point (x,y) may lie on the line joining (3,4) and (-5,-6)is 

(a) 5x-4y+1=0

(b) 5x+4y+1=0

(c) -5x+4y+1=0

(d) -5x-4y+1=0 

Q10. A largest sphere is carved out of a cube of side 7cm. The volume of the sphere is 

(a) 179.67 cu.cm

(b) 180.5 cu.cm

(c) 182 cu.cm

(d) 176.42 cu.cm

Q14. Find the sum of the first 20 terms of the AP: -6, 0 ,6 ,12,…….. 

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