Home / Quiz / Quiz on Math / Set 271
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Note: You can select only one option out of four option of each question.
Share Quiz on WhatsAppQuestion 1 :
In a class there are 30 boys and their average age is 17 years. On one boy aged 18 years leaving the class and another joining, the average age becomes 16.9 years. The age of new boy is
Question 2 :
In a family of 5 members, the average age at present is 33 years. The youngest member is 9 years old. The average age of the family just before the birth of the youngest member was
Question 3 :
Two years ago the average age of a family of 8 members was 18 years. After the addition of a baby, the average age of the family is same today. What is the age of the baby ?
Question 4 :
The average age of four boys A, B, C and D is 5 years and the average age of A, B, D, E is 6 years. C is 8 years old. The age of E is (in years)
Question 5 :
Out of 10 teachers of a school, one teacher retires and at his place a new teacher of age 25 years joins. As a result of it, the average age of the teachers is reduced by 3 years. The age of the retired teacher is
Question 6 :
The average age of 8 persons is increased by 2 years, when one of them, whose age is 24 years is replaced by a new person. The age of the new person is
Question 7 :
If log 2 = 0.3010 and log 3 = 0.4771, the values of log5 512 is
Question 8 :
In how many different ways can the letters of the word 'LEADING' be arranged in such a way that the vowels always come together?
Question 9 :
A pupil's marks were wrongly entered as 83 instead of 63. Due to that the average marks for the class got increased by half. The number of pupils in the class is
Question 10 :
A water tank is two-fifth full.Pipe A can fill a tank in 10 minutes and pipe B can empty it in 6 minutes.If both the pipes are open,how long will it take to empty or fill the tank completely?
Here the correct answers of every question in this quiz.
Q.1 [D], Q.2 [A], Q.3 [A], Q.4 [A], Q.5 [D], Q.6 [B], Q.7 [B], Q.8 [A], Q.9 [B], Q.10 [A],Select subject of which you want to take Quizzes.
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