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Question 1
The mean age of 10 children is 13 years. One new child joins the group and mean age is increased by one year. The age of new child is
Question 2
A fruit seller sold 72% of the apples that he had. He found that he still had 70 apples in his shop. The total number of apples that he initially had was
Question 3
In an examination 20% students failed in Mathematics and 15% failed in English. If 10% failed in both and those who passed in both numbered 300, then total number of students who appeared in the examination was
Question 4
A and B can do a piece of work in 12 days, B and C in 15 days, C and A in 20 days. How long would A take separately to do the same work?
Question 5
π is a/an:
Question 6
equal to
Question 7
Product of two prime number is always
Question 8
The speeds of three cars is 3:4:5. What is the ratio of the times taken by them in covering the same distance
Question 9
Jatin buys an article for 10% less than its value and sells it for 10% more than its value. His gain is
Question 10
For three non-zero real numbers a, b, c if then the value of k is
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Mar 13CTET & State TET Exams