This is not a doubt, but I've found that few answers are wrong (the data) in chapter statistics of grade 11. It would be really appreciable if they would be corrected.
Question
PQ is parallel to side YZ of Triangle XYZ RY parallel to XZ and SZparallel to XY meet extended PQ in R and S respectively show that ar(XRY) =ar(XYZ)
some poor childrenused recycledpaper and plastic to make a flowerpot of cylindrical shape.the total surface areaof this right circular cylinder is 6512 square cm,and circumference of the base is 88cm. find the volume of the cylinder. which value is depicted by the children?(use 22/7)
R has sold 2000 14%deb. Of 100 each to his wife for 90000. Market value on date of transfer was 180000. In this case, intrst income to be included in total income of mr. R shall be ??
A square pqrs is inscribed in a circle with centre o. What angle does each side subtend at the centre o?
cos2x into cos x by 2 minus Cos 3 X into cos 9 x by 2 is equal to sin 5 x into sin 5 x by 2
A copper wire 3mm in diameter is wounded about a cylinder whose L is 12cm and the diameter 10cm .find L and mass of wire assuming the density of copper to be 8.88g per cm cube
Hi Team,
Following is the problem I am stuck on.
Out of 100 students, two sections of 40 and 60 are formed. If you and your friend are among the 100 students, what is the probability that
(a) you both enter the same section?
(b) you both enter the different sections?
Please explain the solution in detail.
Thanks,
Shouvik