Simplify 63 × 62 × 67.
18
1812
69
612
Find the value of 4-1 × 40 × 43.
16
8
4
0
Find the value of 253/2.
25
125
5
50
Simplify 4(y + 3) - 3(2y - 1).
- 2y + 15
2y + 15
2y - 15
- 2y - 15
Simplify 3p + 7q - 2p - 5q.
p + 2q
p + q
2p + q
2p + 2q
nth term of the sequence 5, 7 , 9, 11, 13, - - - is:
2n
2n + 1
2n + 2
2n + 3
Factorize 3y + 9z + by + 3bz.
(b + 3) (y + z)
(b + 3z) (y + 3)
(b + 1) (y + 3z)
(b + 3) (y + 3z)
Simplify a3(c2 + d2) - a3(2c2 + 3d2).
-(a3c2 - 2a3d2)
-(a3c2 + 2a3d2)
a3c2 + 2a3d2
None of these
A is directly proportional to r2 where r = 3 , A = 36, find the value of A when r = 10.
400
350
300
200
Factorize 10s + 15t + 20u.
2s + 3t + 4u
5(2s + 3t + 4u)
2(2s + 3t + 4u)
5(5u + 10t + 4u)
