The value of -261+(-380)-(-521)+821-(-121)
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If a - b = 1 and ab = 6, then what is the value of a3- b3?
Find the mean value of 2, 3, 3, 4, 6, 7
A sum of Rs. 3000 yields an interest of Rs. 1080 at 12% per annum simple interest in how many years ?
A car can cover 350 km in 4 hrs. If its speed is decreased by 12.5 kmph. How much time does the car take to cover a distance of 450 kms.
Five men or ten women can complete a job in 20 days. In how many days can 3 men and 4 women complete it?
Both X and Y together can complete a work in 12 days and Y alone can complete the same work in 30 days. In how many days will X alone complete the work?