Question
How many different words can be formed with the letters
of the word PRACTICE such that each of the word begin with E and ends with R?Solution
When E and R are fixed as first and last letters of the word, then we have only 6 letters to be arranged. Hence required number of ways = (6 !)/(2 !) = 360
Onions, broccoli, fresh fruits, milk, eggs, and iodized salt are good sources of _________.
When a metal reacts with dilute hydrochloric acid, it produces:
What is the chemical symbol for Gold?Â
A spring of spring constant 500 N/m is compressed by 5 cm. The potential energy stored is:
Which one of the following statement regarding the sun is correct?Â
A body of mass 4 kg falls freely from a height of 5 m. What is its kinetic energy just before it hits the ground? (Take g = 10m/s²)
What happens when sodium reacts with water?
Which gas is responsible for the ozone layer's depletion?
Humans have _____ lobes in the left lung.
Which of these is not a function of proteins?