MEDIUM
7th CBSE
IMPORTANT
Earn 100

Assume and are two negative numbers. ‘The result of the multiplication of and with the same positive power is greater than the multiplication of and with the same negative power.’

Important Questions on Exponents and Powers
HARD
7th CBSE
IMPORTANT
Which of the following statements is true?
Statement- : If then value of is
Statement- : If then

HARD
7th CBSE
IMPORTANT
If , then ?

HARD
7th CBSE
IMPORTANT
Which of the following numbers is equivalent to ?

HARD
7th CBSE
IMPORTANT
The speed of light is . The earth is at a distance of the earth from the sun is . Roughly, how long does it take for light from the sun to reach the earth?

HARD
7th CBSE
IMPORTANT
Shyam is trying to find the general formula to find the sum, .
He checked a few patterns.
, , and so on.
Which of the following, gives the sum of terms?

HARD
7th CBSE
IMPORTANT
Bharat is trying to solve the problem, added times. Which of the following is equivalent to the above sum?

HARD
7th CBSE
IMPORTANT
Varsha is trying to solve the puzzle below in which is a positive integer.
What is the value of ?

HARD
7th CBSE
IMPORTANT
If then is equal to
