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Total work = 48 (LCM of 16 and 12) Efficiency = Work/Time Total efficiency = 3 + 4 = 7 units Remaining work after 4 days = 48 - (7 × 4) = 48 - 28 = 20 units Time is taken by B to finish the remaining work = 20/4 = 5 days Total number of days B work = 4 + 5 = 9 days ∴ B work the total number 9 days to finish the work completely.
‘P’ who is 20% more efficient than ‘Q’ can finish a work in 15 days. ‘P’ and ‘Q’ start working together, but ‘Q’ leaves after 6 days...
The cost price of one apple is Rs. 14. If the selling price of an mango is 25% higher than the cost price of a dozen apples and t...
'Pari' bought three items Pen, Pencil and Table and she marked them some percentage above their cost price and sold them after gi...
Integrated circuits are made up of:
A cyclist rides at a constant speed of 12 miles per hour for the first half of a journey. For the second half, the cyclist increases the speed to 18 mil...
Find the value of the given expression:
The value of integration of log x / x2 is:
(0.64) -2.5 = ?
3.5% of 350 + x ² = 38× 13 + 94.25, find x
