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Time taken by B to complete the work = 30 – 6 = 24 days Let the total work = 120 units Efficiency of A = 120/30 = 4 units/day Efficiency of B = 120/24 = 5 units/day Required time taken = 0.90 x 120/(4+5) = 12 days
Priyank and Umesh share the same birth year. Priyank was born on an odd-numbered date after the 29th of December. It is known that Priyank was born on a...
In a factory all Tuesdays and Saturdays are offs. If a month starts with a Tuesday and has 31 days then how many offs will be there in that month?
It was Tuesday on February 8, 2022. What will be the day on February 8, 2027?
At what time between 3:30 and 4 will hands of a clock be at the right angles?
At what time between 8 and 11 o’clock will the hands of a watch be together?
Day before yesterday is Ranjan’s birthday. On the same day next week falls ‘Christmas’. Today is Saturday, what will be the day after Christmas�...
Joseph's watch perform 2 min slow at 4 p.m. on Sunday. It is observed that this watch performs 4 minute faster at 4 p.m. on Monday. Then find on which d...