DELHI POLICE CONSTABLE DRIVER AVERAGE QUANT QUIZ-5

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Question 1:

The average of a non-zero number, its square and its cube is 127 times the number. The number is?

Question 2:

Average of three numbers is 48. If ratio of smallest number to largest number is 13 : 32 while the sum of smallest and second smallest number is 80, find the difference between largest number and smallest number ?

Question 3:

Two students appeared at an examination. One of them secured 9 marks more than the other and his marks was $56 \%$ of the sum of their marks. The marks obtained by them are:

Question 4:

The average of 28 numbers 79 . The average of first 14 number is 76 and average of last 15 number is 84 . If 14th number is excluded then what is average of remaining number.

Question 5:

The average of the 33 consecutive positive integers is 47 . The product of the largest and smallest integer is

Question 6:

Ajay scored $20,30,60,25$ and $40$ marks in five subjects. What is his average mark in five subjects?

Question 7:

 The average marks obtained by 40 students of a class is 85 . If 5 highest marks are removed, the average reduces by one mark. The average marks of the top 5 students is:

Question 8:

Find the average of first 50 even numbers.

Question 9:

The average of 7 numbers is 8. If one number is added, their average becomes $9 .$ Then the added number is:

Question 10:

The average of 11 numbers is 63. If the average of first six numbers is 60 and the last six numbers is 65 , then the 6th number is -