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Start learning 50% faster. Sign in nowThe National Council of Educational Research and Training (NCERT) is an autonomous organisation set up in 1961 by the Government of India to assist and advise the Central and State Governments on policies and programmes for qualitative improvement in school education.
‘A’ alone can complete a work in 15 days. ‘B’ alone can complete the same work in 20 days. If ‘A’ and ‘B’ work together for 5 days, then...
A and B can complete a task together in 12 days, while B alone takes 24 days to finish it. A began working alone and left after ‘x’ days, after whic...
If 'A' needs 24 more days to complete a certain task working alone compared to when 'A' and 'B' work together, and 'A' is 50% more efficient than 'B', w...
X and Y together complete a job in 18 days, while Y alone can do it in 30 days. The ratio of efficiencies of X and Z is 4:5 respectively. What is the ra...
Ashish and Anil can do a piece of work in 15 days and 25 days respectively. Ashish completed 40% of the work. Find the time taken by Anil to complete th...
A group of 'x' men can finish a job in 46 days. If 8 additional men had joined the group, they could have completed the same job 16 days earlier. Assumi...
Shivam invested 25000 at 12% p.a. simple interest for ‘x’ months. If at the end of ‘x’ months, he received a total amount of Rs.30000. What is t...
If 3 men with 4 boys can earn Rs. 2940 in 7 days and 5 men with 9 boys earn Rs. 4620 in 6 days. In how many days will 5 men with 3 boys earn Rs. 118...
(x + 8) men working 9 hours a day can complete 60% of a work in 12 days. (x + 2) men working 3 hours a day can complete the remaining work in 32 days. F...
A can complete a work in 18 days. B takes 6 days less than A to complete the same work. In how many days can both of them together complete 50% of the w...
