Question
The loudness of the sound depends
uponĀSolution
The loudnessĀ of aĀ sound depends uponĀ the amplitude. LoudnessĀ of aĀ sound depends onĀ the amplitude of the vibration producing thatĀ sound. Greater is the amplitude of vibration, louder is theĀ soundĀ produced by it. The amplitude of the sound depends uponĀ the force with which an object is made to vibrate.
The income of a person is Rs.15000 and his expenditure is Rs.12000. In the next year his income and expenditure is increased by 8% and 13% respectively....
1100 boys and 700 girls are examined in a test; 42% of the boys and 30% of the girls pass. The percentage of the total who failed is :
If the price of a cooking oil bottle is reduced by 30%, by what percentage should a family increase its consumption of cooking oil to ensure that their ...
The income of P is 4/7th of the income of Q and income of R is 40% more than the income of Q. Income of Q is Rs.21000 and expenditure of P is...
A student scored 40% in mathematics, 70% in science, and 60% in English. If the maximum marks in each subject are 200, what are the total marks scored b...
In a survey conducted in a locality, it was found that 50% read newspaper A, 40% read newspaper B, and 20% read neither A nor B. If the number of person...
If price of grains is increased by 50%, by how much percent a person has to decrease his consumption of grains so that expenditure on grain increases on...
A man invested all his current month income in starting of a new business in which he spends 25% in advertisement 20% of remaining in furniture 10% of r...
A person saves 15% of his monthly income. If his monthly is increased by 35% and he still saves the same amount as before then find percentage increase ...
In a village, number of male, female and children are in the ratio of 3:5:7. If 90% of the males are literate, 80% of females are literate and 40% of ch...