6 years ago from now, let ages of ‘R’ and ‘L’ be ‘5x’ years and ‘7x’ years, respectively. So, 7x – 5x = 6 Or, 2x = 6 Or, x = 3 Present age of ‘L’ = 7x + 6 = 7 × 3 + 6 = 27 years Age of ‘L’, ten years hence from now = 27 + 10 = 37 years
Which of the following part of the earth doesn’t allow the S wave to pass through itself?
A ______ is a passive two-terminal electrical component that implements electrical resistance as a circuit element.
How many moles of carbon dioxide are present in a gas jar containing 1.501 × 1022 molecules of CO₂?
What is the S.I. unit of electric potential difference?
Which of the following statement(s) is/are true?
I. Air expands on heating
II. The warm air is heavier than the cold air
An element "X", having atomic number 16. gains two electrons to form an anion X. What will be the atomic
number of 'X' in the anion?
ELISA test can be used to diagnose :
Which among the following is produced using ‘Haber Process’?
Which tissue acts as first line of protection for body from any physical or chemical damage?
Coffee, spinach, onion and tea in our diet mostly provide us with which of the following elements as food?