DASS AND BROWN WORLD SCHOOL 10TH MATHEMATICS : July 2017

Monday 31 July 2017

DASS AND BROWN WORLD SCHOOL

Class X Weekly test M.M-10

1. Check whether the following pair of linear equations are consistent or inconsistent ? 1 MARK

x + 2y = 3

2 x + 3 y = 7

2. The sum of the digits of a two digit number is 13. The number obtained by

interchanging the digits of the given number exceeds that number by 27.

Form the pair of linear equations. 2 MARKS

3. Solve the pairs of linear equations by cross multiplication method. 3 MARKS

2 x + 5 y – 12=0

3 x + 7 y = 17

4. A man travels 370 km partly by train and partly by car .If he covers 250 km

by train and the rest by car, it takes him 4 hours. But, if he travels 130 km by

train and rest by car, he takes 18 minutes longer . Find the speed of the train

and that of the car. 4 MARKS

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* TEST OF LINEAR EQUATION IN TWO VARIABLE ON 01.08.2017

Do these questions

Q1.DE II BC .Find AE

Q2 .LM II QR , PL/LQ=3/5 and PR=5.6 cm .Find PM

Q3.CD II LA and DE II AC , .Find CL

Q4.If the diagonals of a quadrilateral divide each other proportionally , then it is a trapezium.

Q5.AB II DC , OA=2x+4 , OB = 4x-2 ,OC = x+1 and OD = 4 units .Find the value of x.

Q6.Prove BPT theorem .

Q7.If triangle ABC is similar to triangle DEF .Find x

Q8. ABCD is a parallelogram prove that (i) DP/PQ=DC/BQ ii) DQ/DP=AQ/DCM

Q9. Prove that a line drawn through the mid - point of one side of a triangle parallel to another side bisect the third side .

Q10. Prove that the line joining the mid points of any two sides of a triangle is parallel to the third side.

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