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**“20-20” Aptitude Questions | Crack SBI Clerk / IDBI Executive 2018 Day-55**

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**Directions (Q. 1 – 5): What should come in place of question mark (?) in the following number series?**

**172, 86.5, 87.5, 177, 712, ?**

- 2456
- 4562
- 5704
- 3788
- None of these

**171, 60, 183, 64, 195, ?**

- 68
- 96
- 121
- 52
- None of these

**798, 813, 830, 851, 878, ?**

- 1238
- 1672
- 956
- 913
- 874

**6, 14, 106, 746, ?**

- 1988
- 5734
- 3486
- 4722
- None of these

**56, 68, 82, 101, 130,?**

- 176
- 218
- 152
- 284
- None of these

**Directions (Q. 6-10): What approximate value will come in place of question mark (?) in the given questions? (You are not expected to calculate the exact value.)**

**(184.99 – 31/5) × 30. 01 =? + 525. 78**

- 3845
- 4844
- 2560
- 5475
- 3450

**72.78 % of 340.88 + 401 % of 15. 89 = x % of 50. 01**

- 780
- 450
- 625
- 565
- 725

**√3135 ÷ 3.99****× 16. 01 = x + (7.98)**^{2}

- 210
- 140
- 280
- 160
- 310

**√x × 184. 98 = (23481.01 – 22721.98)****× 11. 21**

- 1225
- 3025
- 2025
- 4225
- 1725

**(8/3) of [908.31 + 1278.96] + 38. 32 =? + 351. 01**

- 5520
- 4340
- 3280
- 4780
- 5870

**A jar contains 68 litres of mixture of milk and water in the ratio of 15: 2. 34 litres of mixture is taken out and 2 litres of water is added to the jar. What is the percentage of water in the mixture?**

- 20 %
- 25 %
- 16 2/3 %
- 33 1/3 %
- None of these

**The sum of (5/6) of a number and 35 % of the same number is 213. What is the 65 % of the number?**

- 132
- 117
- 108
- 156
- None of these

**Raju is as much younger than Moni as he is older than Anu. If the sum of the ages of Moni and Anu is 56 years, how old is Raju?**

- 28 years
- 25 years
- 22 years
- 18 years
- None of these

**The cost of twelve pencils is equal to the cost of four pens. The total cost of 12 pencils and 6 pens is Rs. 150. Find the cost of twenty one pencils and seventeen pens?**

- 280
- 420
- 360
- 540
- None of these

**Praveen invested 30 % more than Pratab. Pratab invested 20 % less than Ram. If the total sum of their investment is Rs. 14200. How much amount did Ram invest?**

- 4600
- 3800
- 5000
- 6400
- None of these

** **

**Directions (Q. 16 – 20): Following line graph shows the number of pens produced by a pen manufacturing company, the number of pens sold by it and the price of one pen of different types.**

**The average number of pens sold by the company is approximately what percentage of the average number of pens produced by all the five types together?**

- 56%
- 62%
- 66%
- 70%
- 75%

**If the cost of manufacturing of Type A pens is 4.50 per pen, what is the net profit earned by the company by selling all pens of type A?**

- 95000
- 105000
- 120000
- 125000
- None of these

**What is the net amount received by the company by selling all the pens of all type company?**

- 46.9 lakh
- 47.2 lakh
- 48.8 lakh
- 49.4 lakh
- None of these

**If the manufacturing cost of Type C and that of Type D pens is equal and it is 15 per pen, what is the net profit earned by the company by selling all pens of Type C and Type D?**

- 6.8 lakh
- 7 lakh
- 7.2 lakh
- 7.5 lakh
- 7.75 lakh

**The profit earned by selling all pens of Type B is what percentage of the total profit earned by selling all pens of Type E if the per unit cost price of Type B pens is 5.5 and that of Type E pens is 25?**

- 18%
- 22%
- 24%
- 28%
- 32%

**Answers:**

**Directions (Q. 1 – 5): **

**Answer c**

The pattern is, *0.5 + 0.5, *1 + 1, *2 + 2, *4 + 4, *8 +8

The answer is, 5704

**Answer a**

The pattern is, ÷3 + 3, ×3 + 3(alternatively)

The answer is, 68

(Or)

Alternative difference is 12, 4, 12, 4…

Answer is, 68

**Answer d**

The difference of difference is, 2, 4, 6, 8,..

The answer is, 913

**Answer b**

The pattern is, *1 + 2^{3}, *3 + 4^{3}, *5 + 6^{3}, *7 + 8^{3}, *9 + 10^{3}

The answer is, 5734

**Answer a**

The difference of difference is, 1^{2} + 1, 2^{2} + 1, 3^{2} + 1, 4^{2} + 1,..

The answer is, 176

**Directions (Q. 6-10): **

**Answer b**

(185-30/5) * 30 = x + 526

179 * 30 = x + 526

5370 – 526 = x

X = 4844

**Answer c**

(73/100)* 340 + (400/100)*16 = (x/100)*50

248 + 64 = (x/2)

312* 2 = x

X = 624

**Answer d**

(56/4)*16 = x + 64

224 – 64 = x

X = 160

**Answer c**

√x × 185 = (23481 – 22722)*11

√x × 185 = 759*11

√x × 185 = 8349

√x = (8349/185) = 45

X = 45^{2} = 2025

**10.Answer a**

(8/3)*(908 + 1279) + 38 = x + 351

5832 + 38 – 351 = x

X = 5519

**Answer c**

Quantity of water in the mixture = 34 * (2/17) = 4 litres

Quantity of milk in the mixture = 34 * (15/17) = 30 litres

Remaining mixture = 68 – 34 = 34 litres

Now, 2 litres of water is added,

= > 4 + 2 = 6 litres

Percentage of water = (6/36)*100 = 100/6 = 50/3 = 16 2/3 %

**Answer b**

(5/6)x + (35/100)x = 213

(500x+ 210x)/ 600 = 213

710x = 213*600

X = (213*600)/710

X = 180

65 % of the number = 180*(65/100) = 117

**Answer a**

Moni- Raju = Raju – Anu

2* Raju = Moni + Anu

Sum of the ages of Moni and Anu = 56 years

2*Raju = 56

Raju = 56/2 = 28 years

**Answer c**

Cost of 12 pencils = Cost of 4 pens

= > 12x = 4y (Here X = pencils, Y = Pens)

= > x = (y/3)

12x + 6y = 150

12(y/3) + 6y = 150

4y + 6y = 150

10y = 150

y = 15

x = 15/3 = 5

21x + 17y = 21*5 + 17*15 = 360

**Answer c**

Praveen and Pratab = 130: 100 = 13: 10

Pratab and Ram = 80: 100 = 4: 5

The investment ratio of Praveen, Pratab and Ram,

= > 52: 40: 50

= > 26: 20: 25

Sum of their investment = Rs. 14200

71’s = 14200

1’s = 200

Ram’s investment = 25’s = 25 * 200 = 5000

** **

**Directions (Q. 16 – 20): **

**Answer c**

Total pens produced

= 40 + 55 + 50 + 90 + 75 = 310000

Average production = 310000/5 = 62000

Total pens sold = 30 + 40 + 25 + 60 + 50

= 205000

Average of pens sold = 205000/5 = 41000

Required % = (41/62)*100 = 66. 129 = 66 %

**Answer b**

Cost price per pen = 4.50

Selling price per pen = 8

Therefore profit = 3.50

Total number of pens sold = 30000

Therefore net profit = 30000 x 3.50 = 105000

**Answer a**

Total amount

= 8 x 30000 + 10 x 40000 + 22 x 25000 + 25 x 60000 + 40 x 50000

= 240000 + 400000 + 550000 + 1500000 + 2000000

= 46.9 lakh

**Answer e**

Manufacturing cost of Type C = 15

Selling price of type C = 22

Profit per pen = 7

Total profit of type C = 25000*7 = 175000

Similarly,

Total profit of type D = 60000*10 = 600000

Total profit = 175000 + 600000

= 775000 = 7.75 lakh

**Answer c**

Profit of B = 40000*(10 – 5.5) = 180000

Profit of E = 50000* (40 – 25) = 750000

Required % = (180000/750000) x 100 = 24%

**Daily Practice Test Schedule | Good Luck**

Topic |
Daily Publishing Time |

Daily News Papers & Editorials |
8.00 AM |

Current Affairs Quiz |
9.00 AM |

Logical Reasoning |
10.00 AM |

Quantitative Aptitude “20-20” |
11.00 AM |

Vocabulary (Based on The Hindu) |
12.00 PM |

Static GK Quiz |
1.00 PM |

English Language “20-20” |
2.00 PM |

Banking Awareness Quiz |
3.00 PM |

Reasoning Puzzles & Seating |
4.00 PM |

Daily Current Affairs Updates |
5.00 PM |

Data Interpretation / Application Sums (Topic Wise) |
6.00 PM |

Reasoning Ability “20-20” |
7.00 PM |

English Language (New Pattern Questions) |
8.00 PM |

General / Financial Awareness Quiz |
9.00 PM |