Question
Who developed porous porcelain candle in the year 1884
to eliminate microbes from water?Solution
The correct answer is D
Compute P(Aâ©B), if P(B) = 0.8 and P(AÇB) = 0.35
Pawan and Raju can finish a task in 12 days when working together. The time required for Qureshi, Raju, and Suresh to complete 74...
A car travels 60 km at a speed of 30 km/hr, then 90 km at a speed of 45 km/hr, and finally 80 km at a speed of 40 km/hr. Find the average speed of the c...
If 15 men can complete a work in 24 days, how many days will it take 10 men to complete the same work?
Six women and two men can complete a task in 10 days. If the efficiency of a woman is twice that of a man, how many days will it ...
In a group of 104 employees, the ratio of male to female employees is 6:7. The average wage of a male employee is Rs. 45, and the...
Let f: [3, â) â R be defined by f(x) = xÂČ â 6x + 11. The range of f is:
The salaries of A and B are in the ratio 3:5. If the salary of A increases by 20% and the salary of B increases by 10%, the new sum of their salaries be...
If A is an orthogonal matrix, then Aâ»á” is
