Question

29. Which term of the AP ; 71 , 68 , 65 , . . . is the first negative term ?

30. If tan2A = cot(A – 180

), find A .

31. Point A lies 25 cm away from the centre O of a circle. Also tangent passing through A

intersects the circle at point B. If AB = 24 cm and OA intersects the circle at point Q, find AQ.

32. AB and AC are the tangents to a circle,with centre O,drawn from A.If ∟BAC =109 , Find ∟BAO.

33. The radii of two concentric circles are 25 and 7. Find the length of the chord of the circle

with greater radius , touching the circle with smaller radius.

34. Two cubes each of volume 64 cm3 are joined end to end. Find the surface area of the

resulting cuboid.

35. For a data if a = 50 , h = 10 , ∑fiui = - 36 and ∑fi = 35 , find the mean.

36. 1) Find the probability of getting a face card, if a card is drawn from a pack of 52 playing

Cards. 2) If two balanced dice are thrown simultaneously, write the sample space.​

Answer 1

Answer:

bhai total questions hm he solve kr denge toh tu kya krega

Answer 2

Answer:

you are in 10th class according to me