Question

Kachua Bhaiya started to move from point B towards
point A exactly an hour after Jiggly Pup started from A in
the opposite direction. Kachua Bhaiyas's speed was twice
that of Jiggly Pup. When Jiggly Pup had covered one-sixth
of the distance between the points A and B, Kachua Bhaiya
had also covered the same distance.
18. The point where the two would meet is
(a) Closer to A
(b) Exactly between A and B
(c) Closer to B
(d) P and Q will not meet at all
19. How many hours would Jiggly Pup take to reach B?
(b) 5
(c) 6
(d) 12
(a) 2​

Answer 1

Step-by-step explanation:

1. The point where the two would meet is exactly between A and B.

2. 2 hours would Jiggly Pup take to reach B.

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Answer 2

Answer:

18.The correct answer is option A

19. The correct answer is option D

Step-by-step explanation:

18

Let's assume the speed of P is Sp, and it would take 't' hours for P to cover 1/6 of the distance of AB.

As P has covered 1/6 of distance AB, we can write,

$\frac{AB}{6}=Speed *\ Time$

$Sp * t = \frac{AB}{6} = Sp * t$

As Q has covered the same distance in 1 hour less time and with double the speed,

$\frac{AB}{6} = 2Sp * (t-1)$

Comparing the value of AB from both the equations, ⇒ t = 2 hours

As both of them had covered 1/6 distance at the same time, from here Q will cover more distance as he is running at double speed. Hence they would meet Closer to A.

19.

Let's assume the speed of P is Sp, and it would take 't' hours for P to cover 1/6 of the distance of AB.

As P has covered 1/6 of distance AB, we can write,

$\frac{AB}{6}=Speed *\ Time$

$Sp * t = \frac{AB}{6} = Sp * t$

As Q has covered the same distance in 1 hour less time and with double the speed,

$\frac{AB}{6} = 2Sp * (t-1)$

Comparing the value of AB from both the equations, ⇒ t = 2 hours

To cover 1/6th of the distance, P is taking 2 hours. Hence to cover full distance, P will take 2*6 = 12 hours.