A car travels 300 km at a speed of 60 km/h and another 200 km at a speed of 80 km/h. Find the approximate average speed of the car for the entire journey.
The value of integration of log x / x2 is:
In the question, two equations I and II are given. You have to solve both the equations to establish the correct relation between x and y and choose the...
The average weight of 12 children rises by 2.15 kg after one of the children, who weighs 56 kg, is replaced by a new child. What is the weight of the ne...
The total teachers in D are what percent less than the total teachers in B and C together?
The probability of a student solving a problem correctly is 0.6. Out of 10 independent attempts, what is the probability that he solves at least 8 ?
A boat can cover 70 km in still water and 72 km in downstream in 4 hours and 3 hours respectively. Find the time taken by the boat to cover 66 km upstre...
If sinθ + cosθ = 2a and tanθ + cotθ = b, then find a in terms of b.
- Which type of attack is carried out by an individual who has authorized access to a system?
The speed of boat 'Y' in still water is the same as the downstream speed of boat 'X'. Boat 'X' requires 1 hour longer than boat '...
