Edit Description

Fill up the form and submit

Question

In a class, there are 15 boys and 10 girls . Three students are selected at random. The probability that 1 girl and 2 boys are selected, is -

1/5

21/46

3/25

1/50

ANSWER : 2

Descrption

<pre>
Given, Boy's  = 15
<math xmlns = "http://www.w3.org/1998/Math/MathML"><mfrac><mrow><mi>G</mi><mi>i</mi><mi>r</mi><mi>l</mi><mi>s</mi><mo> = </mo><mn>10</mn></mrow><mrow><mi>T</mi><mi>o</mi><mi>t</mi><mi>a</mi><mi>l</mi><mo> = </mo><mn>25</mn></mrow></mfrac><mspace linebreak = "newline"/><mi>P</mi><mi>r</mi><mi>o</mi><mi>b</mi><mi>a</mi><mi>b</mi><mi>i</mi><mi>l</mi><mi>i</mi><mi>t</mi><mi>y</mi><mspace linebreak = "newline"/><mo> = </mo><mfrac><mrow><mmultiscripts><mi>C</mi><mn>2</mn><none/><mprescripts/><none/><mn>15</mn></mmultiscripts><mo>&#xD7;</mo><mmultiscripts><mi>C</mi><mn>1</mn><none/><mprescripts/><none/><mn>10</mn></mmultiscripts></mrow><mmultiscripts><mi>C</mi><mn>3</mn><none/><mprescripts/><none/><mn>25</mn></mmultiscripts></mfrac><mspace linebreak = "newline"/><mo> = </mo><mfrac><mrow><mn>105</mn><mo>&#xD7;</mo><mn>10</mn></mrow><mn>2300</mn></mfrac><mspace linebreak = "newline"/><mo> = </mo><mfrac><mn>21</mn><mn>46</mn></mfrac><mspace linebreak = "newline"/><mo> = </mo><mn>21</mn><mo>/</mo><mn>46</mn></math>
</pre>

Please, login first. click here to login

Cancel Login

Edit Description

Question

Download Our Mobile Apps

Satt policy

Main Features

Subscribe our newsletter