In school there are some bicycles and 4 wheeler wagons.one Tuesday there are 190 wheels in the campus.How many bicycles are there? Choose one.
A) 35  B) 36  C) 37  D) 38  E) 39
Let no. of bicycles be x   &amp; no. of wagons be y   so, 2x+4y=190   by solving, we get   no. of bicycles=39 (wheels=&gt;2*39= 
<gadget id="calculator">2*39</gadget>
<output>78</output>
78)   no. of wagons=28 (wheels=&gt;4*28= 
<gadget id="calculator">4*28</gadget>
<output>112</output>
112)   ANSW39R:39
<result>E</result>
In school there are some bicycles and 4 wheeler wagons.one Tuesday there are 190 wheels in the campus.How many bicycles are there?