Grave errors of the east some much long notes
Answers
Explanation:
We want to show that ∆ ART ≅∆ PEN and we have to use SSS criterion. We have AR = PE and RT = EN. What more we need to show?
A AT = PN
B AT = PE
C AT = EN
D none of these
7: We want to show that ∆ XYZ ≅∆ PQR. We have to use SAS criterion. We have ∠ Z = ∠ R, YZ = QR. What more we need to show?
A YZ=PQ
B XY=PQ
C XZ=PQ
D XZ=PR
8: Two figures are congruent,if they have
A same name
B equal measures
C Unequal measures
D none of these
9: In ∆ABC and ∆PQR, AB= 4cm,BC=5cm,AC=6cm and PQ=4cm,QR=5cm,PR = 6cm,then which of the following is true ?
A ∆ABC ≅ ∆QRP
B ∆ABC ≅ ∆PQR
C ∆ABC ≅ ∆PRQ
D ∆ABC ≅ ∆QPR
10: What is the side included between the angles A and B in ∆ABC
A side AB
B side BC
C side CA
D none of these
11: What is the angle included between the side PN and PM of ∆MNP
A <N
B <P
C <M
D none of these
12: In triangles ABC and DEF , AB = 7cm,BC= 5cm,<B = 50°, DE= 5cm,EF= 7cm,<E=50°. By which congruence rule the triangles are congruent
A SSS
B RHS
C ASA
D SAS
13: Equivalent fraction having common denominator of y/2b and y^2/3b is
A (y,2y^2)/6b
B (3y,2y^2)/b
C (3y,2y^2)/6b
D (3y,y^2)/6b
14: On Dividing 2a^3 + 10 - 16a - 39a^2 + 15a^4 by 2-4a-5a^2, we get quotient as
A 5+2a-3a^2
B 5-2a-3a^2
C 5-2a+3a^2
D none of these
15: On simplifying 5x/3 + 3x/4 - 7x/6 ,we get
A 15x/4
B 5x/12
C 5x/4
D 2x/3
16: If ∆ DEF≅ ∆ ABC ,then what is the value of 'y' when DE= 20cm and AB = 2y+8 ?
A 6cm
B 7cm
C 8cm
D 9cm
17: On Dividing m^3 – 14m^2 + 37m – 26 by m^2 – 12m + 13, we get quotient as
A m – 2
B m+2
C m^2 +2
D m^2 - 2
18: ∆ PRQ ≅ ∆ LMN.If PQ=6cm,PR=7cm and <P=75°,,LM=7cm and QR=MN,then what is the value of <L and NL ?
A <L=65°, NL=6cm
B <L=75°, NL=6cm
C <L=75°, NL=5cm
D <L=65°, NL=5cm
19: On dividing 2y^5 + 10y^4 + 6y^3 + y^2 + 5y + 3 by ( 2y^3 + 1), we get quotient as
A y^2 - 5y + 3
B y^2 + 5y + 3
C y^2 + 5y - 3
D none of these
20: Equivalent fraction having common denominator of 1/xy , 1/yz, 1/zx is:
A y,x,z/xyz
B x,y,z/xyz
C z,x,y/xyz
D none of these
21: On simplifying d^2x/dy^2 - 2dx/dy + 2xy/3y^2 ,we get
A 3(x+4y)/3y^2
B 3(x+4y)/y^2
C 3(x+y)/3y^2
D 3(x-4y)/3y^2
22: Simplification of 3x - a^2/4y is
A (12xy+a^2)/4y
B (12xy-a^2)/4y
C (12xy-a^2)/y
D (12xy-a^2)/2y
23: ∆ XYZ ≅ ∆ RST. If <Y = 3x-10° and <S = 80°, then x is equal to :
A 90°
B 60°
C 30°
D 180°
24: On dividing x^5 + x^4 + x^3 + x^2 + x + 1 by x^3 + 1, we get quotient as
A x^2 + x + 1
B x^2 -x + 1
C x^2 + x -1
D x^2 - x -1
25: On dividing 14x^3 – 5x^2 + 9x – 1 by 2x – 1 , we get
A Q=7x^2 + x - 5.
B Q=7x^2 + x + 5 and R= 4.
C Q= 7x^2 - x + 5
D Q