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Todays' Thought
It’s fine to celebrate success but it is more important to heed the lessons of failure.
- Bill Gates
सफलता की ख़ुशी मनाना अच्छा है पर उससे भी ज़रूरी है अपनी असफलता से सीख लेना |
- बिल गेट्स

    Quantitative Aptitude : Average Question & Answer in English (Level-1)

  Level-1 Ques. in 

The average of 3, 5, 6 & X is 6 and the average of 4, 7, 9, X and Y is 7. What is the value of Y?
A.  4
B.  5
C.  3
D.  6

If the average of 4 observations a, a+4, a+5 and a+7 is 8, then what will be the average of last two observations?
A.  8
B.  10
C.  12
D.  15

The average age of a class of 39 students is 15 years. If the age of the teacher be included, then the average increases by 3 months. Find the age of the teacher.
A.  20 years
B.  22 years
C.  25 years
D.  30 years

A batsman makes a score of 87 runs in the 17th inning and thus increases his average by 3. Find his average after 17th inning.
A.  35
B.  38
C.  39
D.  40

The average weight of A, B & C is 45 Kg. If the average weight of A and B be 40 Kg and that of B & C be 43 Kg than the weight of B is :
A.  17 Kg
B.  20 Kg
C.  26 Kg
D.  31 Kg

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