Five houses lettered A, B, C, D and E are built in a row next to each other. The houses are lined up in the order A, B, C, D and E. Each of the five houses has a coloured chimney. The roof and chimney of each house must be painted as follows :
(i) The roof must be painted green, red or yellow.
(ii) The chimney must be painted white, black or red.
(iii) No house may have the same colour chimney as the colour of roof.
(iv) No house may use any of the same colour that the every next house uses.
(v) House E has a green roof.
(vi) House B has a red roof and a black chimney.

Q. If house C has a yellow roof, which one of the following must be true ?

(A) House E has a chimney.

(B) House E has a black chimney.

(C) houses E has a Red Chimney.

(D) house D has a red chimney

 

Five houses lettered A, B, C, D and E are built in a row next to each other. The houses are lined up in the order A, B, C, D and E. Each of the five houses has a coloured chimney. The roof and chimney of each house must be painted as follows :
(i)    The roof must be painted green, red or yellow.
(ii)    The chimney must be painted white, black or red.
(iii)    No house may have the same colour chimney as the colour of roof.
(iv)    No house may use any of the same colours that the every next house uses.
(v)    House E has a green roof.
(vi)    House B has a red roof and a black chimney.

Which of the following is not true?

A zookeeper counted the head of the animals in a zoo and found it to be $80$. When he counted the legs of the animals, he found it to be $250$. The zoo had pigeons, horses and donkeys and the ratio of donkey to horse is $1:2$. How many horses were there in the zoo ?

A train passes over a $400$ meter long bridge. If the speed of the train is $30$ m/s and the train takes $20$ seconds to cross the bridge, the length of the train in meter is:

Five friends are sitting on a bench in the following order :

(a) P is sitting next to Q and R is next to S.

(b) S is sitting with T; T is one the extreme left had side of the bench and R is on second po-sition from the right hand side.

(c) P is on the right hand side of Q and to the right side of T.

(d) P and R are sitting together.

Who is sitting exactly in the middle ?

Five friends are sitting on a bench facing in the same direction. P is sitting left of Q. R is sitting left of S. T is on the extreme left-hand side of the bench and R is on the second position from the right-hand side. Who is sitting second to the left of Q?

Five friends are sitting on a bench in the following order :

(a) P is sitting next to Q and R is next to S.

(b) S is sitting with T; T is on the extreme left-hand side of the bench and R is on the second position from the right-hand side. 

(c) P is on the right-hand side of Q and to the right side of T. 

(d) P and R are sitting together.

Who is on the extreme right side of the bench ?

The day before the day before yesterday is three days after Saturday. Which day is it today?

A tree increases annually by one eighth of its height. What will be its height after $2$ years, if it stands today $64$ cm high?