S-5-29-A wooden article was made by scooping out a hemisphere from each end of a solid cylinder, as shown in fig-7. If the height of the cylinder is 10 cm and its base is of radius 3.5 cm, find the total surface area of the article.

A wooden article was made by scooping out a hemisphere from each end of a solid cylinder, as shown in fig-7. If the height of the cylinder is 10 cm and its base is of radius 3.5 cm, find the total surface Read More …

S-5-28-From the top of a building 100 m. high, the angles of depression of the top and bottom of a tower are observed to be 45o and 60o respectively. Find the height of the tower. Also find the distance between the foot of the building and the bottom of the tower. (√3=1.732)

From the top of a building 100 m. high, the angles of depression of the top and bottom of a tower are observed to be 45o and 60o respectively. Find the height of the tower. Also find the distance between the foot Read More …

S-5-26-The king, queen and jack of clubs are removed from a deck of 52 playing cards and the remaining cards are shuffled. A card is drawn from the remaining cards. Find the probability of getting a card of (i) heart (ii) king (iii) club.

The king, queen and jack of clubs are removed from a deck of 52 playing cards and the remaining cards are shuffled. A card is drawn from the remaining cards. Find the probability of getting a card of (i) heart (ii) king Read More …

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