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Question 71

RBI Office Attendant 2021• Numerical Ability

What will come in place of question mark ‘?’ in the following question?

√289 − ∛1331 + 2 = ?3

  1. AOption (a)

    1

  2. BOption (b)

    1/2

  3. COption (c)

    2

  4. DOption (d)

    3/2

  5. EOption (e)

    3

View answer & explanation

Correct answer

Answer: (a)A.

1

Explanation not yet available.

Question 72

RBI Office Attendant 2021• Numerical Ability

What will come in place of question mark ‘?’ in the following question?

(1/7) + (1/14) + (1/21) = 11/?

  1. AOption (a)

    42

  2. BOption (b)

    21

  3. COption (c)

    14

  4. DOption (d)

    63

  5. EOption (e)

    52

View answer & explanation

Correct answer

Answer: (a)A.

42

Explanation not yet available.

Question 73

RBI Office Attendant 2021• Numerical Ability

What will come in the place of the question mark ‘?’ in the following question?

182 – 2600 ÷ 52 = ? × 2

  1. AOption (a)

    64

  2. BOption (b)

    65

  3. COption (c)

    66

  4. DOption (d)

    72

  5. EOption (e)

    76

View answer & explanation

Correct answer

Answer: (a)A.

64

Explanation not yet available.

Question 74

RBI Office Attendant 2021• Numerical Ability

What will come in the place of the question mark ‘?’ in the following question?

69 × 12 ÷ 23 + 16 = ?

  1. AOption (a)

    52

  2. BOption (b)

    55

  3. COption (c)

    62

  4. DOption (d)

    42

  5. EOption (e)

    50

View answer & explanation

Correct answer

Answer: (a)A.

52

Explanation not yet available.

Question 75

RBI Office Attendant 2021• Numerical Ability

What will come in place of question mark ‘?’ in the following question?

25 × 4 ÷ 5 = 80 ÷ 20 × ?

  1. AOption (a)

    8

  2. BOption (b)

    17

  3. COption (c)

    10

  4. DOption (d)

    12

  5. EOption (e)

    5

View answer & explanation

Correct answer

Answer: (a)A.

8

Explanation not yet available.

Question 76

RBI Office Attendant 2021• Numerical Ability

If the area of a circle is 154 cm2, then find the circumference of the circle with radius (r + 3.5) cm.

  1. AOption (a)

    66 cm

  2. BOption (b)

    77 cm

  3. COption (c)

    72 cm

  4. DOption (d)

    88 cm

  5. EOption (e)

    55 cm

View answer & explanation

Correct answer

Answer: (a)A.

66 cm

Explanation not yet available.

Question 77

RBI Office Attendant 2021• Numerical Ability

A sum of Rs. 7250 gives interest of Rs. 2900 in 2 years in simple interest. Find the rate of interest per annum

  1. AOption (a)

    22%

  2. BOption (b)

    21%

  3. COption (c)

    20%

  4. DOption (d)

    19%

  5. EOption (e)

    25%

View answer & explanation

Correct answer

Answer: (a)A.

22%

Explanation not yet available.

Question 78

RBI Office Attendant 2021• Numerical Ability

A, B and C invested in a business in the ratio of 4 : 5 : 6. The profit after 1 year is Rs. 8250, then find the share of B.

  1. AOption (a)

    Rs. 2245

  2. BOption (b)

    Rs. 2550

  3. COption (c)

    Rs. 2750

  4. DOption (d)

    Rs. 2625

  5. EOption (e)

    Rs. 2600

View answer & explanation

Correct answer

Answer: (a)A.

Rs. 2245

Explanation not yet available.

Question 79

RBI Office Attendant 2021• Numerical Ability

Ram bought 120 kg of milk for Rs. 3600 and sold at the rate of Rs. 36/kg. Calculate his profit percentage

  1. AOption (a)

    20%

  2. BOption (b)

    22%

  3. COption (c)

    25%

  4. DOption (d)

    15%

  5. EOption (e)

    30%

View answer & explanation

Correct answer

Answer: (a)A.

20%

Explanation not yet available.

Question 80

RBI Office Attendant 2021• Numerical Ability

In a cricket match, the average for first 3 balls is 4 runs. Find the average of remaining 3 balls of over if the average of the over is 6 runs

  1. AOption (a)

    5 runs

  2. BOption (b)

    6 runs

  3. COption (c)

    7 runs

  4. DOption (d)

    8 runs

  5. EOption (e)

    9 runs

View answer & explanation

Correct answer

Answer: (a)A.

5 runs

Explanation not yet available.