Question

1. Expand (x + 5)(x + 6) (x + 4)
2. Factorise: 8r - 18x + 9
3. Find the LSA of the cube whose side is 21 cm
4. The length, breadth and height of a cuboid is 120 mm, 10
cm and 8 cm respectively. Find the volume of 10 such
cuboids.
5. A cubical milk tank can hold 125000 litres of milk. Find the
length of its side in metres.
6. Factorise : (i) m² + - 23
(ii) a +- 18
7. Find the quotient and remainder of (8y? - 16y2 + 16y - 15)
(2-1)
8. Factorise : x - 10x - x + 10
9. A park is in the shape of a quadrilateral. The sides of the
park are 15 m, 20 m, 26 m and 17 m and the angle between
the first two sides is a right angle. Find the area of the park.
10. Three identical cubes of side 4 cm are joined end to end.
Find the total surface area and lateral surface area of the
new resulting cuboid.
11. The dimensions of a sweet box are 22 cm 18 cm 10 cm.
How many such boxes can be packed in a carton of
dimensions 1 m 88 cm 63 cm?
12. If the quotient obtained on dividing 3x + 11x + 34x + 106
by x-3 is
3x + ax + b, then find 'a', 'b'
and also the remainder.​

Answer 1

Answer:

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