Question
LCM and HCF of two numbers are respectively 3 and 18. If
one of them is 9, find the other number.Solution
ATQ, we can say that Let the first number be 'a' and second number be 'b'. LCM Γ HCF = a Γ b 18 Γ 3 = 9 Γ b 54 = 9 Γ b b = 6 β΄ The second number is 6.
- A person "P" allocates their monthly income as follows: First, 25% is spent on education. From the remaining amount, 40% is used for food. After that, 20% ...
20% of βmβ added to 80% of βnβ equals 180. If βnβ is 90 more than βmβ, find the value of (2m β n)
If 20% of an electricity bill is deducted, then Rs. 100 is still to be paid. How much was the original bill?
The income of Tina is Rs.24000 and she saves 15% of her income. The savings of Kajal is Rs.2000 more than that of Tina and she spends 60% of her income....
In a village election between two candidates, the winner secured 65% of the total votes cast and won by a majority of 9000 votes. How many votes did the...
Meenu spent 15% of the salary on entertainment and 15% on makeup. She spent 20% of the remaining on the food and 50% of the remaining invested in mutual...
- A person used to earn Rs. 18000 per month and spend Rs. 12000. In the following year, his income grew by 15% and his expenditure rose by 5%. Find the perce...
Monthly savings of βAβ is Rs. 1600 more than his monthly expenditure and his total monthly income is Rs. 4800. If his monthly income is increased by...
Write 95 out of 200 as a percentage.
Monthly savings of βAβ is Rs. 900 more than his monthly expenditure and his total monthly income is Rs. 7500. If his monthly income is increased by ...