Find the 5th term of the geometric progression whose first term is 128 and common multiple is 1/2.
Sum of first 20 terms of an AP is 610. First term = 12. Find approximate common difference.
The average weight of a class of 25 student is 60 KG. If X is student joined the class, than the average weight of whole class increases by (2X – 7...
Present average age of A, B and C together is 44 years. Age of B is 12 Years hence from now will be 260% more than age of A, Four years ago from now whi...
What is the mean value of the following set of data?
9, 11, 13, 15, 12, 10, 14, 16
The current age of Anupama is 25% greater than Chinky's age. Four years ago, the ages of Beena and Chinky were in the ratio of 4:...
The interest earned when a sum is invested at simple interest of 25% p.a., for 3 years, is Rs. 1875. What will be the total amount received after 2 year...
The sum of the first 10 terms of an arithmetic sequence is 60 and the 10th term is 5. What is the first term of the sequence?
At a certain time in a park, the number of heads and the number of legs of monkeys and human visitors were counted, and it was found that there were 54 ...
nth term of an AP is 0. If AP is 63, 60, 57…, then find the value of n.
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