Which of the following is not a form of biometrics?
The correct answer is A
An elephant can do a work as fast as two horses ‘A’ and ‘B’ can do it by working together. If horse ‘A’ alone can complete the work in 38 ho...
"A" can complete a task in 15 days, while it takes 25 days for "B" to complete the same task. The ratio of the efficiencies of "A" and "C" is 2:1. If a ...
‘A’ alone can do some work in 25 days. ‘B’ and ‘C’ together can do the same work in 10 days. If ‘B’ is half as efficient as ‘A’, the...
If 14 men working 14 hours a day can make 14 quilts in 14 days, then in how many days 28 men working 28 hours per day will make 28 quilts?
"A certain sales target can be completed by a team of both men and womens in 60 days. If you replace eight womens with eight men, the same target can be...
'Arun' alone can complete 60% of the work in 15 days, while 'Arun' and 'Bhaskar' together can complete 80% of the work in 7.5 days. Find the time taken ...
Rahul alone can do 60% of the same piece of work in (z-4) days. Queen and Rahul together can do 75% of the same piece of work in (0.5z+4) days. Pankaj a...
X can do a piece of work in 25 days. He worked at it for 10 days and then Y finished it in 24 days. In how many days can X and Y together finish the wor...
P, Q, R can do a piece of work in 40 days, 90 days, and 36 days, respectively. P started the work. Q joined him after 8 days. If R joined them after 9 d...
Ratio of the work done by P, Q and R in one day is 7:4:9 respectively. They all together can complete the work in 44 days. Q and R worked on it for 30 d...
