Question

A one kilowatt motor is used to pump water from a well 10 m deep. The quantity of water pumped out per second is nearly

- 1kg
- 10kg
- 100kg
- 1000kg

## The correct answer is: 10kg

### Related Questions to study

Eight different letters of an alphabet are given. Words of four letters from these are formed. The number of such words with at least one letter repeated is

number of 4 letter words formed from 8 different letters with no repetition allowed =

So, the number of 4 letter words formed from 8 different letters with at least one letter being repeated =

Eight different letters of an alphabet are given. Words of four letters from these are formed. The number of such words with at least one letter repeated is

number of 4 letter words formed from 8 different letters with no repetition allowed =

So, the number of 4 letter words formed from 8 different letters with at least one letter being repeated =

The number of 4 letter words that can be formed using the letters of the word EXPLAIN which begin with a vowel when repetitions are allowed is

As the 4 letter word has to start with a vowel,

So, the number of ways of choosing the first letter ==3

Now for the next three letters we know that any letter from the 7 letters can be used as repetition is allowed.

Therefore, the number of 4 letter words that can be formed using the letters of the word EXPLAIN which begin with a vowel when repetitions are allowed = =1029

The number of 4 letter words that can be formed using the letters of the word EXPLAIN which begin with a vowel when repetitions are allowed is

As the 4 letter word has to start with a vowel,

So, the number of ways of choosing the first letter ==3

Now for the next three letters we know that any letter from the 7 letters can be used as repetition is allowed.

Therefore, the number of 4 letter words that can be formed using the letters of the word EXPLAIN which begin with a vowel when repetitions are allowed = =1029

Which of the following statements is wrong?

Which of the following statements is wrong?

### The number of 3 digited numbers that can be formed using {1,2,3,4,5} any number of times is

### The number of 3 digited numbers that can be formed using {1,2,3,4,5} any number of times is

### If then r is :

### If then r is :

### Cyclic polymetaphosphates have the general formula of Cyclic trimeric polymetaphosphate, is a compound heaving commercial importance. Which of the following is/are true regarding -

### Cyclic polymetaphosphates have the general formula of Cyclic trimeric polymetaphosphate, is a compound heaving commercial importance. Which of the following is/are true regarding -

### If then n is :

### If then n is :

### STATEMENT EXPLANATION Although andPhosphorus has are known, thelower pentahalides of nitrogenelectronegativity have not been observedthan nitrogen.electronegativity

### STATEMENT EXPLANATION Although andPhosphorus has are known, thelower pentahalides of nitrogenelectronegativity have not been observedthan nitrogen.electronegativity

### Write the missing product in the following reaction–

### Write the missing product in the following reaction–

### In phosphorus estimation, the compound Mg NH_{4}PO_{4} is converted on ignition to–

### In phosphorus estimation, the compound Mg NH_{4}PO_{4} is converted on ignition to–

### If then r is :

### If then r is :

### Solid exists as–

### Solid exists as–

### The coefficient of in is

### The coefficient of in is

Statement I Two particles moving in the same direction do not lose all their energy in a completely inelastic collision.

Statement II Principle of conservation of momentum holds true for all kinds of collisions.

Statement I Two particles moving in the same direction do not lose all their energy in a completely inelastic collision.

Statement II Principle of conservation of momentum holds true for all kinds of collisions.