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Average Sum in shortcut for SSC CGL and Railway RRB NTPC exams

Quantitative Aptitude is one of the most important sections in Staff Selection Commission & other Competitive Exams. It usually covers 25 marks in Staff Selection Commission (SSC) Exams. As you all know we have already given many aptitudes. 

1. The average of three numbers 70, y7 and 5y is 57. If y represents the same digit, then it must be

(a) 3                                                                 (b) 6

(c) 4                                                                 (d) 7

2. Of the three numbers, the first number is twice of the second and the second is thrice of the third number. If the average of these 3 numbers is 20, then the sum of the largest and smallest numbers is

(a) 24                                                               (b) 42

(c) 54                                                               (d) 60

 

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Quantitative aptitude for RRB NTPC and SSC CHSLCGLMTS

1. 24 men can do a piece of work in 24 days. How many men are needed to do the work in 18 days?

A. 24 men

B. 32 men

C. 30 men

D. 28 men

2. The batting average for 40 innings of a cricket player is 50 runs. His highest score exceeds his lowest score by 172 runs. If these two innings are excluded, the average of the remaining 38 innings is 48 runs. The highest score of the player is

A. 165 runs

B. 170 runs

C. 172 runs

D. 174 runs

 

 

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Math quiz for rrb ntpc main and SSC CHSL

1. The ages of Vinay and Vijay differ by 20 years. If 5 years ago, the elder one was 5 times as old as the younger one, what are their present ages?

A. 15 and 35

B. 5 and 25

C. 10 and 30

D. 8 and 28

2. A can do a task in 10 days and B can do the same task in 20 days, with the help of C, they finish the work in 5 days. How long will it take for C alone to finish the task?

A. 30 days

B. 20 days

C. 15 days

D. 18 days

 

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Number Series for ibps po and clerical

Direction 1 to 5: In the following series only one number is wrong. Find out the wrong number.

1. 59, 78, 117, 167, 255, 354

    A. 176

    B. 167

    C. 156

    D. 255

    E. None of these

 

2. 2, 3, 14, 70, 340, 1825

    A. 69

    B. 68

    C. 70

    D. 340

    E. None of these

 

 

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Quantitative Aptitude For Railway ntpc and IBPS Clerical

1. The HCF of two numbers is 23 and other two factors of their LCM are 13 and 14. The larger of two numbers is.

A. 276

B. 299

C. 345

D. 322

 

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1. 8419 - 7+ 3416 + 1265 =..........?...........

 
  A) 5679


  B) 4689

  C) 5689

  D) 5699


2. 777 + (2.4 * 1.625) =..........?...........

  A) 1.625

  B) 2.625

  C) 3.625

  D) 4.625