SSC CGL Quant – Time, Speed & Distance – Level 1 · Warm-up · Tier I Level

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SSC CGL Quant – Time, Speed & Distance – Level 1 · Warm-up · Tier I Level – 12 questions, subject: Quantitative Aptitude. Every question has the correct answer with a one-line explanation; tap "Show Answer". Free practice for TNPSC, UPSC, SSC, Bank and RRB exams – Shanmugam IAS Academy, Coimbatore.

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1.  
Express 90 km/h in metres per second.

Correct Answer: A [25 m/s]

Explanation:

90 × 5/18 = 25 m/s.

2.  
Express 15 m/s in km/h.

Correct Answer: D [54 km/h]

Explanation:

15 × 18/5 = 54 km/h.

3.  
A man walks at 6 km/h. How far does he walk in 25 minutes?

Correct Answer: C [2.5 km]

Explanation:

6 × 25/60 = 2.5 km.

4.  
A train 280 m long runs at 63 km/h. In how many seconds will it pass a telegraph pole?

Correct Answer: B [16 s]

Explanation:

63 × 5/18 = 17.5 m/s → 280 ÷ 17.5 = 16 s.

5.  
A cyclist goes to a town at 30 km/h and returns along the same road at 45 km/h. What is his average speed?

Correct Answer: D [36 km/h]

Explanation:

2 × 30 × 45/(30 + 45) = 2,700/75 = 36 km/h.

6.  
A boat goes downstream at 16 km/h and upstream at 10 km/h. What is its speed in still water?

Correct Answer: B [13 km/h]

Explanation:

(16 + 10)/2 = 13 km/h (stream = 3).

7.  
Two cars start at the same time from places 450 km apart and drive towards each other at 40 km/h and 50 km/h. After how long do they meet?

Correct Answer: C [5 hours]

Explanation:

Relative speed 90 km/h → 450/90 = 5 h.

8.  
A is 6 km behind B. A runs at 12 km/h and B at 8 km/h in the same direction. In how long will A catch B?

Correct Answer: A [1.5 hours]

Explanation:

Gap closes at 12 − 8 = 4 km/h → 6/4 = 1.5 h.

9.  
Fill in the blank1 km/h = ___ m/s.

Correct Answer: A [5/18]

Explanation:

1,000 m ÷ 3,600 s = 5/18 m/s.

10.  
Statement-basedWhich of the following is/are correct?
I. If equal times are spent at two speeds, the average speed is the simple average.
II. A train passing a pole covers a distance equal to its own length.

Correct Answer: B [Both I and II]

Explanation:

I: total distance = t(x + y) in 2t.

11.  
Two buses cover the same distance with speeds in the ratio 3 : 4. What is the ratio of the times taken?

Correct Answer: D [4 : 3]

Explanation:

Same distance → time ∝ 1/speed → 4 : 3.

12.  
Match the followingMatch each case with the distance a train must cover:
P. passing a pole Q. passing a platform R. crossing a train coming from the opposite side
1. L + L₂ at the sum of speeds 2. L at its own speed 3. L + P at its own speed

Correct Answer: C [P-2, Q-3, R-1]

Explanation:

Pole: own length; platform: L + P; opposite train: L + L₂ at relative speed.

➤ Full notes, shortcuts and every answer explained – SSC CGL 2026 Quantitative Aptitude book (₹149): www.shanmugamiasacademy.in/study-materials/ssc-cgl-quantitative-aptitude

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