Question
Ratio of two numbers 5:9 and their LCM is 1260. Find
the sum of the given two numbers.Solution
Let the two numbers be '5h' and '9h', where 'h' is the HCF of the two given numbers. Product of two numbers = (Product of LCM and HCF) of the given two numbers 5h × 9h = h × 1260 Or, 45h = 1260 So, 'h' = (1260 / 45) = 28 Therefore, the required sum = 5h + 9h = 14h = 14 × 28 = 392 Hence, option b
Two numbers are less than a third number by 35% and 48% respectively. Find the percent by which the second number is less than the first.
- Ravi had a monthly income of Rs. 32000 and his monthly expenses were Rs. 25000. In the next year, his income increased by 11% and his expenses rose by 5%. ...
Anjali’s score is 40% more than Meena’s. Priya scored 150 more than the difference between Anjali and Meena. If Priya scored 270 marks, find Anjali�...
M scored 30% marks in an exam whereas N scored 270 marks in the same exam. If the score of N is 90 marks more than that of M, then find the maximum mark...
- Sneha spends 30% of her monthly income on groceries and 50% of the remaining on travel. If she saved Rs. 980 after all expenses, then how much money did sh...
A’s income exceeds that of B’s by Rs.2,000 and B’s income is 40% less than that of C’s. If the total income of all of them put t...
Monthly savings of ‘A’ is Rs. 1000 more than his monthly expenditure and his total monthly income is Rs. 8200. If his monthly income is increased by...
The value of A’s car is depreciating by 22% every year whereas the value of his house is appreciating by 16% each year as compared to the previous yea...
- If 'F' makes up 10% of 'E', then what is 'F' as a percentage of (E - F)?
A towel was 75 cm long and 120cm broad. When bleached, it was to have lost 40% of its length and 20% breadth. The percentage of decrease in area is:
Relevant for Exams:
