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At what rate percent per annum simple interest will a sum of money double itself in 8 years?

a,b and c are three positive real numbers.What can be the minimum value of the expression (b+c)/a+(c+a)/b+(a+b)/c

6

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not able to attempt test series after payment .

SBI clerk

SBI clerk

I am scoring 60 marks on n previous years paper whats my chances to get selected

Sbi ja last year questions paper

Two trains start from stations Hyderabad and Visakhapatnam respectively. Both trains start at 6:00 am and meet at 11:00 am. The distance between the stations is 500 kms. If the lengths of the trains are 600m and 400m respectively, in how much time does the first train cross a passenger sitting in the second train?

In this question while solving, shouldn't the length of the train be considered as 1000m instead of 600m??