Reasoning Questions and Answers

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An ant has to climb a pole of height 120 feet. On the top of the pole there is a candy that the ant wants to eat. The ant climbs 30 feet at the beginning of each hour & rests for a while when he slips back 20 feet before he again starts climbing in the beginning of the next hour. If the ant begins its ascent at 8:00 a.m., when will he first touch the candy kept on the top of the pole?

A)
7:00 p.m.

B)
6:00 p.m

C)
5:00 p.m

D)
4:00 p.m.


Correct Answer :

6:00 p.m


Explanation :

Ant will be reach top of the pole to candy in his last 30 feet jump.
So before his last jump he would be cover 120-30=> 90 feet with climbs and slips.
that is, he would be cover (30 - 20) feet = 10 feet in one hour.

till last jump Ant would be climbs 90 feet in 9 hours i.e.from 8:00 a.m to till 5 p.m.
and in the next hour i.e. till 6 p.m. he climb remaining 30 feet and reached on top of the pole.

Suresh, a 7 year old kid, loves writing numbers. One day he sat down to write numbers from 1 to 100. How many times did he write 7?

A)
11

B)
18

C)
20

D)
21


Correct Answer :

20


Explanation :

From 1 to 100, there are ten numbers with 7 as the digit -
7, 17, 27, 37, 47, 57, 67, 77, 87, 97 --11 times note that 77 has two 7s
70, 71, 72, 73, 74, 75, 76, 78, 79. -9 times

So, required number = 11+ 9= 20.

An apartment has six floors, referred to as floors 1 to 6 with 1 being the lowest and 6 being the highest. Six friends Lakhan, Manoj, Nandu, Ojas, Pankaj and Qatar occupy the six floors, not necessarily in the same order, with only one person living on one floor. Find below some additional information on their stay in the apartment?
(i) Nandu is same number of floors apart from Manoj as Manoj is from Lakhan.
(ii) Pankaj and Qatar are not on adjacent floors.
(iii) Qatar is on a higher floor than Ojas.
(iv) Lakhan is on the floor 5.
Which of the following must be true, if Nandu is on floor 1

A)

Lakhan and Pankaj are on adjacent floors.


B)

Manoj and Pankaj are on adjacent floors.


C)

Ojas is on a floor higher than floor 2.


D)

Qatar is on a floor higher than floor 3



Correct Answer :

Qatar is on a floor higher than floor 3


Explanation :
Floor case 1 case 2
6 Qatar Pankaj
5 Lakhan Lakhan as is given in que
4 Ojas Qatar
3 Manoj Manoj
2 Pankaj Ojas
1 Nandu Nandu as is given in que

There may be two case -

Lakhan and Pankaj are on adjacent floors. --Case 1 is not satisfied
Manoj and Pankaj are on adjacent floors.--Case 2 is not satisfied
Ojas is on a floor higher than floor 2..--Case 2 is not satisfied
Qatar is on a floor higher than floor 3.--Both cases are satisfied

A building has n floors including the ground floor. People from different departments work on
different floors of the building. Ram works on the floor which is 23 floors below the topmost
occupied floor. John works on 17th floor. There are two floors between the floors of Ram and
John. Two floors at the top are unoccupied. What is the value of n if it is known that Ram works at
an Department which is above John’s Department?

40
42
44
45


Correct Answer :44

Study the following information and answer the questions given below it:
A blacksmith has five iron articles A, B, C, D and E, each having a different weight.
I. A weighs twice as much as B.
II. B weighs four and a half times as much as C
III. C weighs half as much as D.
IV. D weighs half as much as E.
V. E weighs less than A but more than C. 

Which of the following is the lightest in weight?

A
B
C
D


Correct Answer :C

While playing a game of cards, a player holds 13 cards of all four suits, of which seven are black and six are red. There are twice as many diamonds as spades and twice as many hearts as diamonds. How many clubs does he hold? /  ताश के पत्तों का खेल खेलते समय एक खिलाड़ी के पास चारों प्रकार के 13 पत्ते हैं जिनमे से 7 काले और 6 लाल हैं। उनमें जितने पत्ते हुकुम के हैं उससे दोगुने पत्ते ईंट के हैं, और जितने पत्ते ईंट के हैं, उससे दोगुने पत्ते पान के हैं। उसके पास कितने पत्ते चिड़ी के हैं?

4
5
6
7


Correct Answer :6

In a group of six women, there are four dancers, four vocal musicians, one actress and three violinists. Girija and Vanaja are among the violinists while Jalaja and Shailja do not know how to play on the violin. Shailja and Tanuja are among the dancers. Vanaja, Shailja and Tanuja are all vocal musicians and two of them are also violinists. If Pooja is an actress, who among the following is both a dancer and a violinist? /छह महिलाओं के एक समूह में चार नर्तकियों है, चार बांसुरी वादक, एक अभिनेत्री है और तीन वायलिन वादक हैं।गिरिजा और वनजा वायलिन वादक मे से है, जबकि शैलजा और जल्जा वायलिन बजाना नहीं जानती। शैलजा और तनुजा नर्तकियों में से हैं। वनजा, शैलजा  और तनुजा बांसुरी वादक हैं और उनमें से दो वायलिन वादक भी हैं। यदि पूजा अभिनेत्री है, तो निम्न में से कौन नर्तकी  और वायलिन वादक दोनों  है ।

Jalaja/जल्जा
Shailja/शैलजा
Tanuja/तनुजा
Pooja/पूजा


Correct Answer :Tanuja/तनुजा

Study the following information carefully to answer the question: / निर्देश: प्रश्‍न का उत्तर देने के लिए निम्नलिखित जानकारी को ध्यान से पढें:
P × Q means ‘P is brother of Q’ / P × Q का मतलब है ' P, Q का भाई है'।
P - Q means ‘P is sister of Q’ / P - Q का मतलब है ' P, Q की बहन है'।
P + Q means ‘P is mother of Q’ / P + Q का मतलब है ' P, Q की माँ है'।
P ÷ Q means ‘P is father of Q’ / P ÷ Q का मतलब है ' P, Q का पिता है'।
What does A + B - C means ? / A + B - C का मतलब  क्या है

A is aunt of C / A, C की चाची है।
A is father of C / A, C का पिता है।
C is son of A / A, C का बेटा है।
B is a girl / B एक लड़की है।


Correct Answer :B is a girl / B एक लड़की है।

A, B, C, D and E are five friends who like different places. A, C and E likes Goa, B, C and D likes Ladakh, A, B and E likes Punjab, B, C and E likes Shimla. A and D likes Manali, B, D and E likes Bangalore. / A, B, C, D और E पाँच दोस्त है जो कि विभिन्‍न जगहों को पसंद करते है। A, C और E गोवा को पसंद करते है, B, C और D लद्दाख को पसंद करते है, A, B और E पंजाब को पसंद करते है, B, C और E शिमला को पसंद करते है, A और D मनाली को पसंद करते है,B, D और E बैंगलोर को पसंद करते है।
Which places does C like? / किस जगह को C पसंद करता है?

Shimla, Goa, Bangalore / शिमला, गोवा, बैंगलोर 
Ladakh, Shimla, Punjab / लद्दाख, शिमला, पंजाब
Goa, Ladakh, Shimla / गोवा, लद्दाख, शिमला
Goa, Ladakh, Manali / गोवा, लद्दाख, मनाली


Correct Answer :Goa,Ladakh, Shimla / गोवा, लद्दाख, शिमला

A lady plans to visit six shops to buy her stuff. The shops are A, B, C, D, E and F which she visits exactly once. She decided: / एक महिला अपना सामान खरीदने हेतु छः दुकानों पर जाना निश्चित करती है। A, B, C, D, E और F दुकानें है जिन पर वह केवल एक ही बार जाती है। उसने निर्धारित किया कि:
(i) She must visit A before B and E ./ उसे B और E से पूर्व A पर अवश्‍य जाना चाहिये।
(ii) She must visit B before D. / उसे D से पूर्व B पर अवश्‍य जाना चाहिये।
(iii) The third shop she visited must be C which is just after B. / तीसरी दुकान जिस पर वह जाएगी, वह निश्चित ही C होनी चाहिये जो कि B के तुरंत बाद होगी।
Which is the first shop she visited? / वह सबसे पहले किस दुकान पर गई?

D
A
C
B


Correct Answer :A

Study the following information carefully to answer the question? / सवाल का जवाब देने के लिए निम्नलिखित जानकारी को ध्यान से पढें?
P × Q means ‘P is brother of Q’ / P × Q का मतलब है ' P, Q का भाई है'
P - Q means ‘P is sister of Q’ / P - Q का मतलब है ' P, Q की बहन है'
P + Q means ‘P is mother of Q’ / P + Q का मतलब है ' P, Q की माँ है'
P ÷ Q means ‘P is father of Q’ / P ÷ Q का मतलब है ' P, Q का पिता है'
What does A × B ÷ C means? / A × B ÷ C का मतलब क्या है?

C is a boy / C एक लड़का है
A and B are males / A और B पुरूष है
C is son of A / C, A का बेटा है
B is brother of C / B, C का भाई है


Correct Answer :A and B are males / A और B पुरूष है

Six bells commence tolling together and toll at intervals of 2, 4, 6, 8, 10 and 12 seconds respectively. In 30 minutes, how many times do they toll together?

A)
4 times

B)
10 times

C)
15 times

D)
16 times


Correct Answer :

16 times


Explanation :

To find the time that the bells will toll together we have to take L.C.M of 2,4,6,8,10,12

LCM of 2, 4, 6, 8, 10 and 12 seconds =120 seconds
So,the bells will toll together after every 120 seconds ie 120/60 = 2 minutes

In 30 minutes they will be toll together = first tolling together + number of times together tolls in 30 minutes
=1+number of times together tolls in 30 minutes
=1+ (30 / 2)
=1+15
=>16 times

A kid was playing with a basket with 65 toys inside it. He took 25 from it but put 18 back to the basket. Then again he took 22 out but put 17 back into the basket. Lastly, he took 18 toys out from the basket. So, how many toys are there inside and outside the basket?

A)
Inside27,Outside38

B)
Inside30,Outside35

C)
Inside35,Outside30

D)
Inside37,Outside28


Correct Answer :

Inside35,Outside30

All the faces of the cube of side 15 cm are painted in red, then it is divided into smaller cubes of 3 cm. How many smaller cubes have only two surface painted?

A)
24

B)
36

C)
16

D)
18


Correct Answer :

36


Explanation :


A cube of side 15 cm is cut into smaller cube of side 3 cm. So, one side of big cube equals 5 sides of smaller cube.
The big cube divided into 5 x 5 x 5 = 125 smaller cubes.
There are 8 original corners on the original cube having 3 painted sides = 8 cubes
There are 12 edges on the original cube, each edge has 3 cubes with 2 painted sides, 12 edges *3 cubes = 36 cubes
There were 6 faces, each with 4 cubes with one painted side, 6 faces *9 cubes = 54 cubes
Therefore, cubes which don't have any coloured side= 125 - 8 - 36- 54 = 27 cubes

A, B & C start running at the same time and in the same direction on a circular path. A completes a round in 252 seconds, B in 308 seconds and C in 198 seconds. After what time will they all meet again for the first time?

A)
26 minutes 18 seconds

B)
42 minutes 36 seconds

C)
45 minutes

D)
46 minutes 12 seconds


Correct Answer :

46 minutes 12 seconds


Explanation :

A, B and C will meet again =L.C.M. of 252, 308 and 198 seconds
that is
252 = 2 * 2* 3 * 3 * 7
308 = 2 * 2 * 7 * 11
198 = 2 * 3 * 3 * 11
So, LCM = 2 * 2* 3 * 3 * 7 * 11 = 36 * 77 seconds = 2772 seconds i.e., 46 min. 12 sec

A cube of side 12 cm is painted red on all faces and cut into smaller cubes each of 3 cm each. What is the total number of smaller cubes having none of their faces painted?

A)
8

B)
12

C)
16

D)
24


Correct Answer :

8


Explanation :

A cube of side 12 cm is cut into smaller cube of side 3 cm. So, one side of big cube equals 4 sides of smaller cube.
The big cube divided into 4 x 4 x 4 = 64 smaller cubes.
There are 8 original corners on the original cube having 3 painted sides = 8 cubes
There are 12 edges on the original cube, each edge has 2 cubes with 2 painted sides,12 edges *2 cubes =24 cubes
There were 6 faces, each with 4 cubes with one painted side, 6 faces *4 cubes = 24 cubes
Therefore, cubes which don't have any coloured side= 64 - 8 - 24 - 24 = 8 cubes

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