## S-4-30 The median of the following frequency

The median of the following frequency distribution is 35. Find the value of x. Ans :

## S-4-29 A person connects a pipe of internal

A person connects a pipe of internal diameter 20m from a canal into a empty cylindrical tank in his field which is 10 m in diameter and 2 m deep. If the rate of flow of water through the pipe is 6km/hr, Read More …

## S-4-28 Two ships are sailing in the sea on either

Two ships are sailing in the sea on either side of a light-house. The angles of depression of two ships as observed from the top of the light-house are 60o and 45o respectively. If the distance between the ships is 200 (√3+1/√3) Read More …

## S-4-27 In fig-3, ∠A of Δ ABC is a right angle

In fig-3, ∠A of Δ ABC is a right angle and AB = 3 units, AC = 4 units. Semicircles are drawn on AB, AC and BC as diameters. Also a circle circumscribing the Δ ABC is drawn. Find the area of the shaded region. Read More …

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