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Syed Nasim Ahmad Zaidi served as 20th Chief Election Commissioner of India. He is a retired I.A.S. officer of 1976 batch from the Uttar Pradesh cadre. Shri Rajiv Kumar, Election Commissioner in ECI since 1st September 2020, took charge as the 25th Chief Election Commissioner on 15th May 2022.
12 man can make a wall in 5 days. How many men required to complete the same work in 6 days ?
A and B can complete a work together in 30 days. If A alone can complete one-third of the work in ‘x’ days and remaining work is completed b...
Ratio of the work done by P, Q and R in one day is 5:3:7 respectively. They all together can complete the work in 35 days. Q and R worked on it for 20 d...
A and B together can complete a work in 15 days, while B and C together can complete the same work in 20 days. If A, B, and C together can complete the ...
A 250 litres mixture contains only water and phenyl in the ratio 3:2, respectively. If 60 litres of this mixture is replaced with 90 litres of alcohol, ...
Ratio of the work done by P, Q and R in one day is 7:3:8 respectively. They all together can complete the work in 42 days. Q and R worked on it for 21 d...
P can do a piece of work in 25 days, Q can complete double the work in 40 days and R can do the work in 30 days. If all of them together earn Rs. 7400, ...
A team leader can do a job as fast as three members of the team working together. If one of the members can do the job in 5 hrs, the second one takes 10...
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. 11...
