Question
The truth table for a boolean function with two
variables, A and B, has four rows. How many different boolean functions can be defined with two variables?Solution
8
The speeds of 'Pawan' and 'Qureshi' are in the ratio of 8:5. If the total time they take to individually cover 400 km each sums up to 65 hours, what is ...
The ratio of the speeds of Y and Z is 7 : 5. When Y increases his speed by 40%, he covers 294 km in 3 hours. Find the time taken by Z to cover 200 km.
- A ball is dropped from a height of 120 metres. After each bounce, it rises to one-fourth of the height from which it fell. What is the total distance the b...
A car can finish a certain journey in 10 hours at a speed of 42 kmph. In order to cover the same distance in 7 hours, the speed of the car (km/h) must b...
A man covered a total distance of 360 kilometers. Initially, he traveled 200 kilometers by car at a speed of 25 km/h. He completed the remaining journey...
- Two bikers ‘C’ and ‘D’ start from towns ‘X’ and ‘Y’ respectively towards each other at the same time. The distance between towns ‘X’ an...
A cyclist covers a distance of 14 km in 25 minutes. How much distance will he cover in 18 minutes (in km)?
A cyclist goes 30 km at speed x km/h and returns 30 km at speed (x - 5) km/h. Total time taken is 5 hours. Find x.
Travelling at a speed of 54 km/h, Chaman reaches a place 3 minutes early. If he had travelled at a speed of 48 km/h, he would have been 1 minute late. W...
A cyclist covers 120 km in 6 hours. The speed of a motorbike is 10 km/h more than the speed of the cyclist. Find the time taken by the motorbike (in min...
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