Question
The chemical which is used to attract the sexually
mature insects for mating purpose is____ÂSolution
Pheromones are substances which are secreted to the outside by an individual and received by a second individual of the same species.
- Two runners M and N run in opposite directions on a circular track of 1500 metres. M runs at 30 m/s and N at 45 m/s. After how many seconds will they both ...
The speed of a bike increases by 4 km/hr after every 1 hour. If the distance travelled by the bike in 1st hour is 20 km, the find the total distance tra...
A man travels some distance at a speed of 16 km/hr and returns at a speed of 12 km/hr. If the total time taken by him is 2 hrs 20 min, the distance is <...
- 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...
The speeds of Arun and Bhanu are in the ratio of 3:4, respectively. Both begin their journey simultaneously to cover a distance o...
- In a 50 km race, R, S, and T are running at uniform speed. If ‘R’ beats ‘S’ by 10 km, and ‘S’ beats ‘T’ by 6 km, then by how many metres do...
- 'M' takes 40 minutes more than 'N' to cover 'x' km. If the speed of 'M' and 'N' is 10 km/h and 16 km/h, respectively, then find the value of 'x'.
Bipasha and Malika leave the towns Kolkata and Ambala at 6:00 AM and travel toward Ambala and Kolkata respectively. Bipasha is 60 kilometers per hour an...
A train travels from Station A to Station B at a speed of 60 km/h and returns from Station B to Station A at a speed of 40 km/h. Find the average speed ...
A boy goes to school with a speed of 55 km/h and comes back with a speed of 45 km/h. find his average speed?
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