The height of the tree increases in the ratio 3 : 4 .The height at present is 150 m , what is the new height ?

250 m

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200 m

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175 m

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120 m

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Solution

The correct option is B
200 m

The ratio of the increase is given by Present Height : New Height = 3 : 4

Hence $3 : 4 = \frac{P r e s e n t H e i g h t}{N e w H e i g h t}$

Present Height = 150 cm

$\frac{3}{4} = \frac{150}{N e w H e i g h t}$

$3 \times N e w H e i g h t$ = $4 \times 150$

$N e w H e i g h t = \frac{4 \times 150}{3} = 200 m$

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The height of the tree increases in the ratio 3 : 4 .The height at present is 150 m , what is the new height ?

The correct option is B 200 m The ratio of the increase is given by Present Height : New Height = 3 : 4 Hence 3:4=Present HeightNew Height Present Height = 150 cm 34=150New Height 3×New Height = 4×150 New Height=4×1503=200 m