Quiz- For Fresher- page-1 Solution

Solution For Quiz 01- Simple Quiz For Freshers, Answer This and judge yourself, Questions for this quiz are available in page- Questions For Quiz 1

                                                  Solution –Page 01

1.Answer: Option D

Explanation:

Speed=		60 x	5	m/sec	=		50	m/sec.
			18				3

Length of the train = (Speed x Time) =		50	x 9	m = 150 m.
		3

2. Answer: Option D

Explanation:

One of AB, AD and CD must have given.

So, the data is inadequate.

3. Answer: Option C

Explanation:

Let speed of the car be x kmph.

Then, speed of the train =	150	x	=		3	x	kmph.
	100				2

	75	-	75	=	125
	x		(3/2)x		10 x 60

	75	-	50	=	5
	x		x		24

x =		25 x24		= 120 kmph.
		5

4. Answer: Option A

Explanation:

Let the son's present age be x years. Then, (38 - x) = x

=> 2x = 38.

=> x = 19.

=> Son's age 5 years back (19 - 5) = 14 years.

5. Answer: Option A

Explanation:

Let the present ages of Sameer and Anand be 5x years and 4x years respectively.

Then,	5x + 3	=	11
	4x + 3		9

=> 9(5x + 3) = 11(4x + 3)

=> 45x + 27 = 44x + 33

=> 45x - 44x = 33 - 27

=> x = 6.

=> Anand's present age = 4x = 24 years.

6. Answer: Option C

Explanation:

Total weight increased = (8 x 2.5) kg = 20 kg.

Weight of new person = (65 + 20) kg = 85 kg.

7. Answer: Option C

Explanation:

Let the man's rate upstream be x kmph and that downstream be y kmph.

Then, distance covered upstream in 8 hrs 48 min = Distance covered downstream in 4 hrs.

		x x 8	4		= (y x 4)
			5

	44	x =4y
	5

y =	11	x.
	5

Required ratio =		y + x		:		y - x
		2				2

=		16x	x	1		:		6x	x	1
		5		2				5		2

=	8	:	3
	5		5

   = 8 : 3.

8. Answer: Option C

Explanation:

Man's rate in still water = (15 - 2.5) km/hr = 12.5 km/hr.

Man's rate against the current = (12.5 - 2.5) km/hr = 10 km/hr.

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