CBSE Class 10 Mathematics Question Paper 2017 with Answer Key (April 3, Set 3- (30/1/3))

CBSE X Questions

• 1.

  A bag contains 25 balls. Some of them are yellow and others are green. One ball is drawn at random. If probability of getting a green ball is $3/5$, then find the number of yellow balls.

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• 2.

  How does the change in curvature of the eye lens help us in the process of seeing the nearby objects clearly?

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• 3.

  Two water taps together can fill a tank in $8\frac{8}{9}$ hours. The tap of larger diameter takes 4 hours less than the smaller one to fill the tank separately. Find the time in which each tap can separately fill the tank.

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• 4.

  A chord of a circle, of radius 14 cm, subtends an angle of $60^\circ$ at the centre. Find the area of the smaller sector and perimeter of the smaller segment.

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• 5.

  Two dice are rolled together. The probability of getting an outcome $(x, y)$ where $x \gt y$, is

  • $\frac{5}{12}$
  • $\frac{5}{6}$
  • $1$
  • $0$
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• 6.

  In the given figure, $AB \parallel DE$ and $AC \parallel DF$. Show that $\Delta ABC \sim \Delta DEF$. If $BC = 10\text{ cm}$, $EB = CF = 5\text{ cm}$ and $AB = 7\text{ cm}$, then find the length $DE$.
  

  

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