Questions

Find the acceleration (in m/s2) produced in a body of mass 10 kg when a force of 20 N is applied on it.

While selling a shirt, a shopkeeper gives a discount of 7%. If he gives discount of 9% he earns Rs. 15 less on profit. The market price of the shirt is :­

The average of 17 results is 60. If the average of first 9 results is 57 and that of the last 9 results is 65, then what will be the value of 9th result?

To cover a certain distance with a speed of 60 km/hr, a train takes 15 hours. If it covers the same distance in 12 hours, what will be its speed?

In the following question, the sentence given with blank to be filled in with an appropriate word. Select the correct alternative out of the four and indicate it by selecting the appropriate option.

The velocity of an object is the rate of change of its position ______ respect to a frame of reference.

In the following question, the sentence given with blank to be filled in with an appropriate word. Select the correct alternative out of the four and indicate it by selecting the appropriate option.

She ______ farewell to her parents.

Harmful bacteria in potable water make the water

Which among the following difference between aerobic and anaerobic respiration is INCORRECT?