Quantitative Ap...

When 0° ≤ θ ≤ 90°, then solution of cos² θ + sin θ - 2 = 0 is:

Find the mode of the following data

There is a path of width 5m around a circular plot of land whose area is 144πm². The total area of the circular plot including the path surrounding it is:

The average of 33 numbers is 74. The average of the first 17 number is 72.8 and that of the last 17 number is 77.2. If the 17th number is excluded, then what will be the average of the remaining numbers (correct to one decimal place)?

Worker A takes 8 hours to do a job. Worker B takes 10 hours to do a job. How long should it take both A and B, working together to do the same job?

The average age of Sita and Gita is 30 years. If Rita replaces Sita, then the average age will become 28 years and if Rita replaces Gita, then the average age will become 32 years. What are the respective ages (in years) of Sita, Gita and Rita?

One person travels on through the sides of an equilateral triangle at a speed of 12kmph 24kmph, and 8kmph, Find the average speed of it. (In kmph)

800 is first increased by 10% and then it is again increased by 20%. What is the final value?

Two vessels contain milk and water in the ratio 3 : 1 and 5 : 3. Find the ratio on which these two must be mixed to get a new mixture in which the ratio of milk to water becomes 2 : 1.