Question

all questions Q3) If x – !
! = 7, find the value of—
a) x2 +
!
!! b) ) x4 +
!
!!
Q4) If y2 +
!
! = !"
! find the value of y -
!
!
Q5) Divide 3y4 – 8y3 – y2 – 5y – 5 by y – 3 and find the quotient and
remainder.
Q6) Using long division method, check whether 2p + 1 is a factor of -12p2 +
4p3 – 37p – 15.
Q7) Find the lateral surface area of, total surface area and volume of a cuboid,
which is 15m long, 12m wide and 5m high.
Q8) Three cubes each of volume 125 cm3 are joined end to end. Find the total
surface area of the cuboid so formed.
Q9) A cuboidal vessel is 10m long and 8m wide. How high must it be to hold
380 m2 of water?
Q10) Volume of a right circular cylinder is 1100 cm2 and the radius of its base
is 5 cm. Find its curved surface area.
Q11) The inner diameter of a circular well is 4 m and is 10 m deep. Find its—
i) Inner CSA
ii) Cost of plastering curved surface at Rs. 125 per m2

Answer 1

Answer:

so all all is so to kal all ha to ur to te to te to is good for all class. vs cm, cm BBC