Find the odd one out in the sequence of numbers.2,5,10,17,26,37,50,64.
At what rate percent of simple interest will a sum of money double itself in 12 years?
The prices of a scooter and TV are in a ratio 7:5. If scooter costs Rs.8,000 more than TV set, then price of TV set is :
A and B can do a work in 12 days. B and C together can do it in 15 days and C and A together in 20 days. If A, B, C work together, they will complete the work in :
A student multiplied a number by 3/5 instead of 5/3. What is the percentage error?
If a/3=b/4=c/7, then (a+b+c)/c =