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Let the number of males and females be 5x and 6x respectively. Percentage of children among females = 20% So, 80% of females are adults, => 80/100×6x = 4320 => 6x = 5400 => x = 900 Total population = 5x + 6x = 11x = 11 ×900 = 9900
A bomb at rest explodes into two pieces of unequal masses. Which of the following is necessarily true about the motion of the fragments?
Deficiency of which vitamin leads to bleeding gums?
Which organ controls reflex actions?
Where are the parotid glands located?
A body falls freely from a height of 80 m. Time taken to reach the ground is:
A person weighing 80 kg is standing in an elevator that is accelerating downward at 3 m/s². What is the apparent weight? (Take g = 10 m/ s²)
Tungsten is used for the construction of filament in an electric bulb because of its
Which of the following instrument is used to measure heat radiation?
Which of the following is a bacterial disease?
Which one of the following crops enriches nitrogen content in the soil?
