Question

Q8. Two cubes each of edge 10 cm are joined end to end , then the total surface area of the

resulting figure is

a) 500 cm2

b) 1000 cm2

c) 1500 cm2

d) 2000 cm2




Q9. The ratio of the volume of a cube to that of a sphere which will exactly fit inside the cube is

a) 14 : 11 b) 35 : 22 c) 21 : 11 d) 28 : 11


Q10. Two cylinder have their heights in the ratio 1 : 2 and radii 2 : 1, then the ratio of their CSA

is

a) 1 : 1 b) 1 : 2 c) 1 : 4 d) 1 : 8




Q11. The mean of first 5 prime numbers is 5.6

a) TRUE b) FALSE




Q12. If the mean and median of a data are 15 and 13 respectively then the value of mode is 9

a) TRUE b) FALSE




Q13. The 17th term of the AP ¾, 1, 5/4,……… is 21/4

a) TRUE b) FALSE




Q14. If 2x, x + 10, 3x + 2 are in AP, then the value of x is 8

a) TRUE b) FALSE



Q15. x

2 – 4x + k has real and equal roots then the value of k is 3

a) TRUE b) FALSE



Q16. The top of two poles of height 20 m and 14 m are connected by a wire if the wire makes an

angle of 30 degree with horizontal then the length of the wire is

a) 12 b) 13 c) 14 d) 15




Q17. The height of a tower is 20 m then the length of its shadow when sun altitude is 45° is

a) 20 m b) 30 m c) 40 m d) 10 m




Q18. If x = - 1 is a solution of the equation x2 + 3ax + 2 = 0, then the value of a is

a) 1 b) 2 c) 3 d) 4


(MCQ CLASS 10)​

Answer 1

Answer:

my question number Bhi Hoga abhi answer bhi hai be dancer

Step-by-step explanation:

b yoga bhai