Home » Aptitude » Time and Work » Question
  1. Either 8 men or 17 women can paint a house in 33 days. The number of days required to paint three such houses by 12 men and 24 women working at the same rate is :
    1. 44 days
    2. 43 days
    3. 34 days
    4. 66 days
Correct Option: C

8 men ≡ 17 women

⇒ 12 men ≡
17
× 12
8

=
51
women
2

∴ 12 men + 24 women
=
51
+ 24 =
99
women
22

By
M1D1
=
M2D2
W1W2

=
17 × 33
=
99 × D2
12 × 3

⇒ D2 =
17 × 33 × 6
= 34 days
99

Aliter : Using Rule 12,
Here, A = 8, B = 17, a = 33
A1 = 12, B1 = 24
Number of days=
a(A × B)
A1B + B1A

=
33(8 × 17)
12 × 17 + 24 × 8

=
4488
396

No. of days to paint 3 houses
=
4488
× 3 = 34 days
396



Your comments will be displayed only after manual approval.