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Directions (1-5): What approximate value will come in place of the question mark (?) in the following questions?
1. (47% of 1442 - 36% of 1412) / 63 = ?
(a) 4
(b) 5
(c) 3
(d) 1
2. (Square root of 7921 - Square root of 2070.25) * 1 / 4 = ?
(a) 11
(b) 14
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Directions: (1-5) What will come in place of the question mark (?) In each of the following number series?
1. 2 8 26 ? 242
(a) 78
(b) 72
(c) 80
(d) 84
2. 3 4 12 ? 196
(a) 45
(b) 40
(c) 41
(d) 49
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Directions (1-5)
What approximate value should come in place of the question Mark (?) in the following questions(?) You are not expected to calculate the exact value.
1. 63251 * 82 = ? * 42105
(a) 101
(b) 123
(c) 147
(d) 165
2. Square root of 84111 = ?
(a) 240
(b) 270
(c) 330
(d) 290
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Directions (1-5) : In the following number series only one number is wrong. Find out the wrong number.
1. 4 3 4.5 8.5 20 53 162.5
(a) 3
(b) 4.5
(c) 8.5
(d) 20
2. 1200 Open It.

Directions (1-5) : What should come in place of the question mark (?) in the following questions?
1.[? - 45} = 40
(a) 85 or - 85
(b) 85 or 5
(c) 5 or - 5
(d) 40 or 5
2. [((3)^2)^6]^4 = 9?
(a) 28
(b) 16
(c) 12
(d) 24
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Solution for Dena Bank PO Exam Practice Paper - 1:
1. Answer : (c) 1887 : 2527
Explanation :
Area of customer transaction room = 23m * 29m = 667 sq.m
Area of branch manager room = 13m * 17m = 221 sq.m
Area of server room = 21m * 13m = 273 sq.m
Area of locker room = 29m * 21m = 609 sq.m
Total cost of wooden flooring = rs [(170 * (667 + 221)]
= Rs (888 * 170)
Total cost of marble flooring :
= Rs [(190 * (182 + 273 + 609)] = rs (190 * 1064)
Required Ratio = 888 * 170 : 1064 * 190 = 1887 : 2527
2. (c) Rs 178790
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Dena Bank Probationary Officer Exam Aptitude Exam Study Material:
Study the following information and answer the questions that follow:
The premises of a bank are to be renovated. The renovation is in terms of flooring. Certain areas are to be floored either with marble or wood. All rooms/halls and pantry are rectangular. The area to be renovated comprises of a hall for customer transaction measuring 23 m by 29 m, branch manger's room measuring 13 m by 17 m, a pantry measuring 14 m by 13 m, a record keeping cum server room measuring 21 m by 13 m Open It.

1. Rs 1087 was divided among A, B, and C. Such that if Rs. 10, 13 and 14 be diminished form their shares respectively, the remainders will
Answer : ( Open It.

1. Rs 1087 was divided among A, B, and C. Such that if Rs. 10, 13 and 14 be diminished form their shares respectively, the remainders will be in the ratio of 3 : 5 : 7. What is the share of A?
(1) Rs. 220
(2) Rs. 210
(3) Rs. 310
(4) Rs. 320
Answer : (1) Rs. 220
Explanation :
(1) Sum of money to be divided
= Rs. 1087
Total money to be withdrawn
= Rs (10 + 13 + 14) = Rs. 37
Remainder = Rs. (1087 - 37)
= Rs. 1050
If is to be divided in the ratio
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1. The average age of 3 boys is 15 years. If the ratio of their ages is 3 : 5 : 7. What is the age of the youngest boy?
(1) 9
(2) 12
(3) 18
(4) 21
Answer : (1) 9
Explanation :
(1) Sum of the ages of three boys = 3 * 15 = 45 years and ratio of their ages = 3 : 5 : 7
Sum of the ratios
= 3 + 5 + 7 = 15
Age of the youngest boy
= 3 / 15 * 45 = 9 years
2. A man engaged of a servant on the condition that he would pay him Rs. 900 and a uniform after one y Open It.