Question
Who is the first female appointed as Head of human
spaceflight program of National Aeronautics and Space Administration in June 2020?Solution
The correct answer is C
A and B together can do a work in 5 days. If A can alone do the same work in 15 days, then in how many days B alone will do the same work?
A and B can complete a job together in 30 days; B and C can complete the same job together in 25 days, while C and A can complete the same job together ...
Sufficient food-supply was arranged to last for 30 days for 250 soldiers. If 50 soldiers did not attend the camp, for how many extra days will the food-...
βAβ is 80% more efficient than βBβ. βAβ and βBβ work together for 5 days after which βAβ is replaced by βCβ. βBβ and βCοΏ½...
Shivam and Harish can do a job alone in 90 days and 120 days respectively. Both work together and earn Rs. 5,250. Find Shivamβs earnings.
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βAβ and βBβ can do a piece of work in 15 days and 20 days, respectively. They started working together but βAβ left after 3 days. Find the t...
3 men, 4 women and 5 boys can do a piece of work in 15 days, 20 days and 25 days respectively. For first 3 days 3 men and 2 women work together and for ...
Ravi and Rekha, alone can complete a work in 25 days and 50 days, respectively. They started the work together and left after 10 days such that the rem...
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