Question

Q. 3 Construct a rectangle whose one side is 6 cm and one diagonal is 10cm. Q.4 Construct a
quadrilateral PQRS in which PQ =8.2 cm ,QR = 7cm <Q =105° <R=80°and <S = 100°
Q. 5 If 5 men can do a piece of work in 8 hours.
Then how many men will complete the same work in 2 hours.
Q. 6 A train can travel a distance with a speed of 80km/h in 9 hours. In how many hours it will
complete the same journey with a speed of 60km/h
Q. 7 Evaluate [(169)12x(64)16) = [(676)12 (128)'/]
Q. 8 If 92x 32m+5=27then find m
Q. 9 If. (X®x X®)2h = X', then find n
Q.10 If X = 5.7x107 and Y= 0.0000057 , then find X-Y
Q. 11 If P= 3800000000 and Q=0.000001, the find PxQ
Q. 12 Expand using Identities
a. (%4 X- 4sy)
b. (2.1m +0.2n)?
C. (3x2-5y)(3x2+5y)
d. (X+7/4)(X+4/3)
e. (P- 4)(P-4/3)
Q. 13 Factorise
a. 72x2-250y?​

Answer 1

Answer:

i dont know bro

i am sorry