Question
In insect flight, what term is used to describe the
upward movement of wings during each stroke?Solution
The upstroke refers to the phase of wing movement where wings are lifted upward, allowing repositioning for the next powerful downstroke.
- Two individuals, 'A' and 'B', set off towards each other from points 'P' and 'Q', respectively. 'A' moves at a speed of (x + 8) km/hr, while 'B' travels at...
The speed of current is 10 km/h. What will be the respective downstream speed and upstream speed of a boy rowing a boat, if one sixth of the distance co...
A train is travelling at the rate of 90 km/hr. How many seconds it will take to cover a distance of 5/8 km?
If a person walks at (2/3) of his normal speed, he arrives at his office 30 minutes late. What is the usual time taken by him to ...
Find the distance travelled (in km) by the truck to reach point B from point A, if a car cover 13% the same distance in 2.6 hours and a truck covers 50%...
If a person walks 20% more than of his usual speed, reaches his distance 90 minutes before. If the destination is 459 km away, then the usual speed of a...
A car travels from city X to city Y at a speed of 80 km/h and returns to city X at a speed of 100 km/h. If the total distance is 360 km, what is the ave...
- A man is travelling at a speed of 40 km/h such that he will take 90 minutes to reach his destination. But after completing half the journey, the man took a...
The tops of two poles of height 60 metres and 35 metres are connected by a rope. If the rope makes an angle with the horizontal whose tangent is 5/9 met...
‘K’ and ‘L’ are going from place ‘X’ to place ‘Y’, which is 1100 km apart. If ‘K’ started 3 hours after ‘L’ but both of them rea...
