Revision Test no.1 for class IX

           Revision Test for class IX    marks - 30    Time - 1 hour
Chapter - Constructions,Linear Equation(OTBA) and Areas of Parallelograms and Triangles

1.     Write any one major factor responsible for obesity in children (1) 

2.    How  many  children (below the age of 5)  approximately are overweight in 2010 globally?  (1)

 

3.    In the given figure, ABCD is a parallelogram whose diagonals intersect each other at P. If area of

       parallelogram ABCD is 56 cm², find the area of DAPD (2)

 

                                                

 

4.    If you walk ,you can burn 4 kilo calories/minute, find how  many minutes you have to walk to burn        

       200 kilo calories.(2)

5.      Construct a  DTUV in which   TU+UV+VT = 12.5 cm,  ÐU = 90° and  ÐV = 45° (4)

6.    Find what exercise you have to do and for how many minutes to burn 300 calories and 500 calories (2)

7.    Construct DABC in which ÐA = 60,  AC + BC = 11.5 cm and AB = 4 cm.  (3)

       
       8.    In the figure, PT  çç QR and QT  çç RS. Show that ar (DPQR) =  ar (DQTS). (3)

                    

9.    Draw a line segment AB of measure 6.4 cm. Construct its perpendicular bisector and verify it by

       actual measurement. (3)

10.  PQRS is a parallelogram with diagonals PR and QS intersecting at a point E.

 If ar (∆SEP)  +  ar (∆QER)  =  12 cm², find area of parallelogram PQRS. (3)

        

11.  Construct any obtuse angle. Divide it into four equal parts, using ruler and

compass. (2)

12.  Body mass index is a person’s weight in kilograms divided by the square of height in metres.

       Taking height as 160 cms,  form a linear equation in two variables taking BMI  as x and weight

       as y kg. Draw its graph also. (4)