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Super Series of Math's 25 Oct. 2019 by Sahil SirSuper Session of Math’s 25 Oct. 2019 by Sahil SirRRB Group D/NTPC

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Super Series of Math's 25 Oct. 2019 by Sahil SirSuper Session of Math’s 25 Oct. 2019 by Sahil SirRRB Group D/NTPC

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Super Series of Math's 25 Oct. 2019 by Sahil SirSuper Session of Math’s 25 Oct. 2019 by Sahil SirRRB Group D/NTPC

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1. A man goes from A to B at a speed of 12 km/h and returns from B to A at a speed of 18

km/h. His average speed for the entire journey is-

एक आदमी ककसी स्‍थान A से B 12 ककमी/घटंा की चाल से जाता है तथा वापस B से A 18 ककमी/घटंा की चाल से

लौटता है। पूरी यात्रा के ललए उसकी औसत चाल ह–ै

Super Series of Math's 25 Oct. 2019 by Sahil SirSuper Session of Math’s 25 Oct. 2019 by Sahil SirRRB Group D/NTPC

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[A] 14𝟐

𝟓km/h/ककमी/घटंा

[B] 15 km/h/ककमी/घटंा

[C] 15𝟏

𝟐km/h/ककमी/घटंा

[D] 16 km/h/ककमी/घटंा

2. A person travels from a station A to station B at a uniform speed of 36 km/h and returns to A

at a uniform speed of 45 km/h. His average speed for the entire journey is:

एक व्‍यलि ककसी स्‍टेशन A से स्‍टेशन B की यात्रा 36 ककमी/घटंा की एक समान चाल से तय करता है तथा वह 45

ककमी/घटंा की एक समान चाल से वापस A पर आता है। पूरी यात्रा के ललए उसकी औसत चाल ह:ै

Super Series of Math's 25 Oct. 2019 by Sahil SirSuper Session of Math’s 25 Oct. 2019 by Sahil SirRRB Group D/NTPC

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[A] 40 km/h/ककमी/घटंा

[B] 40.5 km/h/ककमी/घटंा

[C] 41 km/h/ककमी/घटंा

[D] 42 km/h/ककमी/घटंा

3. A person can complete a journey of 30 km at a speed of 6 km/h and the rest of 40 km in 5

hours. His average speed for the entire journey is-

एक व्‍यलि 30 ककमी की एक यात्रा को 6 ककमी/घटें की चाल से तथा शेष 40 ककमी की यात्रा को 5 घटें में पूरा करता

है। पूरी यात्रा के ललए उसकी औसत चाल ह–ै

Super Series of Math's 25 Oct. 2019 by Sahil SirSuper Session of Math’s 25 Oct. 2019 by Sahil SirRRB Group D/NTPC

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[A] 7 km/h/ककमी/घटंा

[B] 6 km/h/ककमी/घटंा

[C] 8 km/h/ककमी/घटंा

[D] 9 km/h/ककमी/घटंा

4. A boy covers a distance of 10 km at a speed of 12 km/h from his bicycle and then a distance

of 12 km at a speed of 10 km/h. His average speed over the entire journey is approx.

एक लड़का अपने बाइलसकल से 10 ककमी. की दरूी 12 ककमी/घटंा की गलत से तय करता है तथा किर 12 ककमी की

दरूी 10 ककमी/घटंा की गलत से तय करता है। पूरी यात्रा में उसकी औसत गलत लगभग ह–ै

Super Series of Math's 25 Oct. 2019 by Sahil SirSuper Session of Math’s 25 Oct. 2019 by Sahil SirRRB Group D/NTPC

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[A] 10.4 km/h/ककमी/घटंा

[B] 10.8 km/h/ककमी/घटंा

[C] 11.0 km/h/ककमी/घटंा

[D] 12.2 km/h/ककमी/घटंा

5. A person covers half of his journey at a speed of 6 km/h and the remaining half at a speed of

3 km/h. His average speed is-

एक व्‍यलि अपनी यात्रा का आधा भाग 6 ककमी/घटंा की चाल से तथा शेष आधा 3 ककमी/घटंा की चाल से तय करता

है। उसकी औसत चाल ह–ै

Super Series of Math's 25 Oct. 2019 by Sahil SirSuper Session of Math’s 25 Oct. 2019 by Sahil SirRRB Group D/NTPC

Use Referral Code: "S A H I L 1 0 " and Get Instant 10% Discount on "UNACADEMY SUBSCRIPTION"

[A] 9 km/h/ककमी/घटंा

[B] 4.5 km/h/ककमी/घटंा

[C] 4 km/h/ककमी/घटंा

[D] 3 km/h/ककमी/घटंा

6. P travels at a speed of 5 km/h for 6 hours and travels for the next 3 hours at a speed of 6

km/h. Accordingly, what is the average speed in km/h?

P, 6 घटंो तक 5 ककमी/घटंा की गलत से यात्रा करता है और अगले 3 घटें 6 ककमी/घटंा की गलत से यात्रा करता है।

तदनुसार, उसकी औसत गलत ककतने ककमी/घटंा ह?ै

Super Series of Math's 25 Oct. 2019 by Sahil SirSuper Session of Math’s 25 Oct. 2019 by Sahil SirRRB Group D/NTPC

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[A] 3𝟏

𝟓

[B] 5𝟏

𝟑

[C] 1𝟐

𝟗

[D] 2𝟐

𝟓

7. A bus crosses 4 part of 3 km long at a speed of 10 km/h, 20 km/h, 30 km/h and 60 km/h

respectively. Accordingly, for that distance of that bus, what was the average speed?

एक बस, 3 ककमी लम्‍बे 4 भाग क्रमश: 10 ककमी/घटंा, 20 ककमी/घटंा, 30 ककमी/घटंा तथा 60 ककमी/घटंा की गलत से

पार करती है। तदनुसार, उस बस की उस दरूी के ललए,औसत गलत ककतनी थी?

Super Series of Math's 25 Oct. 2019 by Sahil SirSuper Session of Math’s 25 Oct. 2019 by Sahil SirRRB Group D/NTPC

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[A] 30 km/h/ककमी/घटंा

[B] 25 km/h/ककमी/घटंा

[C] 20 km/h/ककमी/घटंा

[D] 10 km/h/ककमी/घटंा

8. During a journey in Kolkata, a taxi covers 50% of the distance at 50 km/h, 40% of the

distance at 40 km/h and the remaining distance at 20 km/h. Accordingly, what is the average

speed of that entire journey in km/h?

कोलकाता में एक यात्रा के दौरान, एक टैक्‍सी 50% दरूी 50 ककमी प्रलत घटंा, 40% दरूी 40 ककमी प्रलत घटंा और शषे

दरूी 20 ककमी प्रलत घटंा की गलत से तय करती ह।ै तदनसुार, उस परूी यात्रा की औसत गलत ककतने ककमी प्रलत घटंा

ह?ै

Super Series of Math's 25 Oct. 2019 by Sahil SirSuper Session of Math’s 25 Oct. 2019 by Sahil SirRRB Group D/NTPC

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[A] 42

[B] 40

[C] 35

[D] 45

9. A person can travel 600 km by train at a speed of 80 km/h, 800 km by ship at a speed of 40

km/h, 500 km by airplane at a speed of 400 km/h and 100 km by car at the speed of 50 km/h.

To cover the entire distance, his average speed is.

कोई व्‍यलि 600 ककमी की दरूी रेल द्वारा 80 ककमी प्रलत घटें की गलत स,े 800 ककमी की दरूी जहाज से 40 ककमी प्रलत

घटें की गलत स,े 500 ककमी की दरूी हवाई जहाज से 400 ककमी प्रलत घटें की गलत से तथा 100 ककमी की दरूी कार से

50 ककमी प्रलत घंटे की गलत से तय करता है। पूरी दरूी तय करने में, उसकी औसत गलत ह–ै

Super Series of Math's 25 Oct. 2019 by Sahil SirSuper Session of Math’s 25 Oct. 2019 by Sahil SirRRB Group D/NTPC

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[A] 65𝟓

𝟏𝟐𝟑km/h/ककमी/घटंा

[B] 60 km/h/ककमी/घटंा

[C] 60𝟓

𝟏𝟐𝟑km/h/ककमी/घटंा

[D] 62 km/h/ककमी/घटंा

10. A person completed a trip with a car. If he covered 30% distance at 20 km/h, 60% distance at

40 km/h and the remaining distance at 10 km/h, then his average speed for the entire journey

was -

एक व्‍यलि ने ककसी यात्रा को एक कार के द्वारा पूरा ककया। यकद उसने 30% दरूी 20 ककमी./घटंा की चाल स,े 60%

दरूी 40 ककमी/घटंा की चाल से तथा शेष दरूी 10 ककमी/घटंा की चाल से तय की हो, तो परूी यात्रा के ललए उसकी

औसत चाल थी–

Super Series of Math's 25 Oct. 2019 by Sahil SirSuper Session of Math’s 25 Oct. 2019 by Sahil SirRRB Group D/NTPC

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[A] 25 km/h/ककमी/घटंा

[B] 28 km/h/ककमी/घटंा

[C] 30 km/h/ककमी/घटंा

[D] 33 km/h/ककमी/घटंा

11. A man covered a distance of 61 km in 9 hours, of which some traveled at a speed of 4 km/h

on foot and some at a speed of 9 km/h by bicycle. The distance traveled was on foot.

ककसी आदमी ने 61 ककमी की दरूी 9 घटें में तय की लजसमें से कुछ दरूी पदैल 4 ककमी/घटें की चाल से तथा कुछ

साइककल से 9 ककमी/घटें की चाल से तय की। पैदल तय की गई दरूी थी।

Super Series of Math's 25 Oct. 2019 by Sahil SirSuper Session of Math’s 25 Oct. 2019 by Sahil SirRRB Group D/NTPC

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[A] 12 km

[B] 16 km

[C] 20 km

[D] 24 km

12. A motor cycle covers a distance of 40 km at a speed of 20 km per hour. At what speed will

the next 40 km be the average speed of the entire journey 30 km per hour on motor-cycling?

एक मोटर–साइककल 20 ककमी प्रलत घटंा की गलत से 40 ककमी की दरूी तय करती है। अगले 40 ककमी ककस गलत से

मोटर–साइककल चलाने पर पूरी यात्रा की औसत गलत 30 ककमी प्रलत घंटा होगी?

Super Series of Math's 25 Oct. 2019 by Sahil SirSuper Session of Math’s 25 Oct. 2019 by Sahil SirRRB Group D/NTPC

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[A] 70 km/h/ककमी/घटंा

[B] 52.5 km/h/ककमी/घटंा

[C] 60 km/h/ककमी/घटंा

[D] 60.5 km/h/ककमी/घटंा

13. A person covers𝟐

𝟏𝟓th part of his total journey by rail,

𝟗

𝟐𝟎th by car and the remaining 10 km on

foot. Accordingly, what is the distance of his entire journey in km?

एक व्‍यलि अपनी कुल यात्रा का𝟐

𝟏𝟓वााँ भाग रेल द्वारा,

𝟗

𝟐𝟎वााँ भाग कार द्वारा एवं शेष 10 ककमी. पैदल चलकर परूी

कर लेता है। तदनुसार उसकी पूरी यात्रा ककतने ककलोमीटर की ह?ै

Super Series of Math's 25 Oct. 2019 by Sahil SirSuper Session of Math’s 25 Oct. 2019 by Sahil SirRRB Group D/NTPC

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[A] 36

[B] 40

[C] 30

[D] 24

14. A man traveled a distance of 80 km in 7 hours, out of which some on foot at a rate of 8 km/h

and some by cycle at a rate of 16 km/h. How far did he travel on foot?

एक आदमी ने 7 घटें में 80 ककमी की दरूी की यात्रा की, लजसमें से उसने कुछ यात्रा 8 ककमी प्रलत घटें की दर पर पदैल

की और कुछ यात्रा 16 ककमी प्रलत घंटे की दर पर साइककल से की। उसने ककतनी दरूी की यात्रा पैदल तय की?

Super Series of Math's 25 Oct. 2019 by Sahil SirSuper Session of Math’s 25 Oct. 2019 by Sahil SirRRB Group D/NTPC

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[A] 32 km/ककमी

[B] 48 km/ककमी

[C] 36 km/ककमी

[D] 44 km/ककमी

15. A plane covers the first 100 km of its 400 km fly at a speed of 100 km/h, the second 100 km,

at 200 km/h, the third 100 km, at 300 km/h and the last 100 km, 400 km/h. What is the

average speed of the plane?

एक लवमान अपनी 400 ककमी की उड़ान में पहले 100 ककमी, 100 ककमी/घटंा की गलत से तय करता ह,ै दसूरे 100

ककमी, 200 ककमी/घटंा की गलत स,े तीसरे 100 ककमी, 300 ककमी/घटंा की गलत से और आलिरी 100 ककमी 400

ककमी/घटंा की गलत से तय करता है। लवमान की औसत गलत क्‍या ह?ै

Super Series of Math's 25 Oct. 2019 by Sahil SirSuper Session of Math’s 25 Oct. 2019 by Sahil SirRRB Group D/NTPC

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[A] 195 km/h/ककमी/घटंा

[B] 192 km/h/ककमी/घटंा

[C] 190 km/h/ककमी/घटंा

[D] None of these

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