Speed Distance Time

Speed Distance Time is a Aptitude concept from the MPSC syllabus, tested in 2 past MPSC questions (2020, 2024). Below are those real questions with their correct answers and explanations, plus the concepts worth being comfortable with first.

Real questions

Years tested

2 · 2020–2024

In context

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Asked in

2024 2020

What you need to know first

Linear equations Averages

Real questions that test this

ट्रॅक्टरच्या मोठ्या व लहान चाकाचा व्यास अनुक्रमे 50 से.मी. व 35 से.मी. आहे. जेव्हा मोठ्या चाकाचे 21 फेरे पूर्ण होतील तेव्हा लहान चाकाचे किती फेरे पूर्ण होतील? The diameters of the bigger wheel and smaller wheel of a tractor are 50 cm and 35 cm respectively. How many revolutions will the smaller wheel make when the bigger one makes 21 revolutions ?

1)25

2)45

3)30✓ Correct

4)32

The distance covered by a wheel in one revolution is its circumference (π × diameter). Equate the total distance covered by both wheels: 50 × 21 = 35 × x, which gives x = 30.

पुढे एक कृती व त्यानंतर (अ) व (ब) ही संबंधित तथ्ये दिली आहेत. कृती पूर्ण करण्यासंदर्भात उचित पर्याय निवडा. अनु, चुनू, कनू आणि निनू एक शर्यत धावले. सर्व मुलांनी एका रेषेपासून एकाच वेळी शर्यतीला सुरुवात केली. पुढील तथ्ये वापरून शर्यत जिंकणारी व्यक्ती निवडा. / Given below is an action and related facts (a) and (b) are following it. Select the appropriate option with respect to completion of this action. Anu, Chunu, Kanu and Ninu ran a race. All children start from the same line simultaneously. Using following facts select the person who won the race.

(a)चुनूच्या वेगाची दुप्पट, अनूच्या वेगाची तिप्पट आणि निनूच्या वेगाची चौपट सारखी आहे. / Twice the speed of Chunu, thrice the speed of Anu and four times speed of Ninu are equal.

(b)जेव्हा जिंकणाऱ्याने शर्यत संपवली तेव्हा अनू, कनू व निनू यांनी धावलेल्या अंतराची सरासरी ही अनू व कनू यांनी धावलेल्या अंतरांच्या सरासरीइतकी होती. / When winner finished the race the average of the distances ran by Anu, Kanu and Ninu equalled the average distance ran by Anu and Kanu.

1)तथापैकी एक वापरून कृती पूर्ण करता येईल परंतु फक्त अन्य तथ्य वापरून ती पूर्ण येणार नाही. / The activity can be completed using one of the fact alone but cannot be completed by using other fact alone.

2)दोनोंही तथ्ये एकत्र वापरून कृती पूर्ण करता येईल परंतु दोन्हीपैकी कोणतेही एकच तथ्य वापरून ती करता येणार नाही. / The activity can be done by using both the facts together but cannot be done by using either of the facts alone.✓ Correct

3)दोन्हीपैकी फक्त कोणतेही एक तथ्य वापरून कृती साध्य करता येईल. / The activity can be accomplished by using either of the facts alone.

4)दोन्ही तथ्ये एकत्रित विचारात घेऊन कृती पूर्ण करता येणार नाही. / The activity cannot be completed by using both the facts together.

Statement (a) gives relative speeds, and statement (b) gives an algebraic relationship of distances covered by the runners. Both facts are needed simultaneously to determine unique numerical values for individual speeds and find the winner.

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