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Question 81

RBI Office Attendant 2021• Numerical Ability

Sum of ages of Sita and Gita is three times the age of Gita. If age of Gita is 12 years, find the age of Sita

  1. AOption (a)

    22 years

  2. BOption (b)

    26 years

  3. COption (c)

    28 years

  4. DOption (d)

    24 years

  5. EOption (e)

    30 years

View answer & explanation

Correct answer

Answer: (a)A.

22 years

Explanation not yet available.

Question 82

RBI Office Attendant 2021• Numerical Ability

The speed of a boat in still water is 25 kmph and the speed of the stream is 5 kmph. Find the time taken by the boat to travel 10 km in the upstream direction.

  1. AOption (a)

    30 mins

  2. BOption (b)

    35 mins

  3. COption (c)

    40 mins

  4. DOption (d)

    15 mins

  5. EOption (e)

    20 mins

View answer & explanation

Correct answer

Answer: (a)A.

30 mins

Explanation not yet available.

Question 83

RBI Office Attendant 2021• Numerical Ability

There are two pipes attached to a tank. Pipe A can fill the tank in 6 hours while B can empty a filled tank in 8 hours. A starts filling the tank and after 4 hours B is also opened. Calculate the total time required to fill the tank.

  1. AOption (a)

    34/7 hours

  2. BOption (b)

    12 hours

  3. COption (c)

    14 hours

  4. DOption (d)

    36/7 hours

  5. EOption (e)

    38/7 hours

View answer & explanation

Correct answer

Answer: (a)A.

34/7 hours

Explanation not yet available.

Question 84

RBI Office Attendant 2021• Numerical Ability

There are 22 boys and 36 girls in a class. If each boy is to be given 3 chocolates and each girl is to be given 4 chocolates then what is the total number of chocolates required?

  1. AOption (a)

    210 chocolates

  2. BOption (b)

    200 chocolates

  3. COption (c)

    190 chocolates

  4. DOption (d)

    180 chocolates

  5. EOption (e)

    220 chocolates

View answer & explanation

Correct answer

Answer: (a)A.

210 chocolates

Explanation not yet available.

Question 85

RBI Office Attendant 2021• Numerical Ability

A train of length 600 m crosses a man standing on platform in 30 seconds. Find the time taken by the train to cross the platform if length of platform is 900 m.

  1. AOption (a)

    70 seconds

  2. BOption (b)

    65 seconds

  3. COption (c)

    75 seconds

  4. DOption (d)

    60 seconds

  5. EOption (e)

    55 seconds

View answer & explanation

Correct answer

Answer: (a)A.

70 seconds

Explanation not yet available.

Question 86

RBI Office Attendant 2021• Numerical Ability

Direction: Study the given table carefully and answer the following questions accordingly. The table shows the number of students from 4 Colleges A, B, C, and D who attended 3 seminars on subjects Science, Sociology and Economics.

ScienceSociologyEconomics
A250200400
B300200350
C200400150
D150500350

Find the average of students who attended Science Seminar From College B and Economics Seminar From College A.

  1. AOption (a)

    450

  2. BOption (b)

    350

  3. COption (c)

    250

  4. DOption (d)

    150

  5. EOption (e)

    50

View answer & explanation

Correct answer

Answer: (a)A.

450

Explanation not yet available.

Question 87

RBI Office Attendant 2021• Numerical Ability

Direction: Study the given table carefully and answer the following questions accordingly. The table shows the number of students from 4 Colleges A, B, C, and D who attended 3 seminars on subjects Science, Sociology and Economics.

ScienceSociologyEconomics
A250200400
B300200350
C200400150
D150500350

The number of Students attending Economics seminar of all collages is what percent more/less than the number of Students in college D?

  1. AOption (a)

    25%

  2. BOption (b)

    30%

  3. COption (c)

    50%

  4. DOption (d)

    60%

  5. EOption (e)

    40%

View answer & explanation

Correct answer

Answer: (a)A.

25%

Explanation not yet available.

Question 88

RBI Office Attendant 2021• Numerical Ability

Direction: Study the given table carefully and answer the following questions accordingly. The table shows the number of students from 4 Colleges A, B, C, and D who attended 3 seminars on subjects Science, Sociology and Economics.

ScienceSociologyEconomics
A250200400
B300200350
C200400150
D150500350

What is the ratio of the number of Students in college A and the number of Students in college B?

  1. AOption (a)

    2 : 1

  2. BOption (b)

    3 : 4

  3. COption (c)

    5 : 2

  4. DOption (d)

    3 : 7

  5. EOption (e)

    1 : 1

View answer & explanation

Correct answer

Answer: (a)A.

2 : 1

Explanation not yet available.

Question 89

RBI Office Attendant 2021• Numerical Ability

Direction: Study the given table carefully and answer the following questions accordingly. The table shows the number of students from 4 Colleges A, B, C, and D who attended 3 seminars on subjects Science, Sociology and Economics.

ScienceSociologyEconomics
A250200400
B300200350
C200400150
D150500350

What is the difference between the number of Students attending Science seminar of all collages and the number of Students attending Economics seminar of all collages?

  1. AOption (a)

    300

  2. BOption (b)

    350

  3. COption (c)

    200

  4. DOption (d)

    50

  5. EOption (e)

    150

View answer & explanation

Correct answer

Answer: (a)A.

300

Explanation not yet available.

Question 90

RBI Office Attendant 2021• Numerical Ability

Direction: Study the given table carefully and answer the following questions accordingly. The table shows the number of students from 4 Colleges A, B, C, and D who attended 3 seminars on subjects Science, Sociology and Economics.

ScienceSociologyEconomics
A250200400
B300200350
C200400150
D150500350

What was approximate percentage increase in the number of students in Sociology Seminar from College B to C?

  1. AOption (a)

    60%

  2. BOption (b)

    40%

  3. COption (c)

    100%

  4. DOption (d)

    150%

  5. EOption (e)

    80%

View answer & explanation

Correct answer

Answer: (a)A.

60%

Explanation not yet available.