The ratio of length to breadth of a rectangle is 1 : 2. If the length of the rectangle is increased by 20% and again it is decreased by 30% then the area of the rectangle is decreased by 32 sq. cm. What is the perimeter of the original rectangle?

The ratio of length to breadth of a rectangle is 1 : 2. If the length

1.	The ratio of length to breadth of a rectangle is 1 : 2. If the length of the rectangle is increased by 20% and again it is decreased by 30% then the area of the rectangle is decreased by 32 sq. cm. What is the perimeter of the original rectangle?
A.	60 cm
B.	90 cm
C.	120 cm
D.	30 cm
E.	None of these
Answer» B. 90 cm

Discussion

No Comment Found

Related MCQs

The length of a circular track is 800 m. Virat and Amresh started from the same point on the track and ran in opposite directions. Virat took 12 minutes to cover one kilometer while Amresh took only 9 minutes to cover the same distance. They kept running for 90 minutes. How many times did they cross each other?
A box contains 4 tennis ball, 6 season and 8 dues balls. 3 balls are randomly drawn from the box. What is the probability that the balls are different?
The ratio between the length of Cuboid and the length of Rectangle is 3 : 2 and the ratio between the breadth of Cuboid and the breadth of Rectangle is 2 : 1. If the area of the Rectangle is 140 cm2 and the height of the cuboid is 10 cm. find the volume of the cuboid.
A shopkeeper purchased 15 kg of variety A rice at Rs. X per kg and 10 kg of variety B rice at Rs. (X + 5) per kg. The shopkeeper sold the whole quantity of variety A rice at 10% profit and that of variety B rice at 20% profit. The total selling price of variety A rice was Rs. 30 more than that of variety B rice. Had the two varieties been mixed and sold at an overall profit of 20%, what would have been the selling price (per kg)?
Tony, Monu and James completed a work together in 36 days and received a total payment of Rs. 54000. Tony took half of the total money, Monu took one third and James took remaining. In how many days, Tony and James would have finished the work if Monu was not working?
Four friends decided to contribute money and build a Temple. Ram contributes 83 1/3 % less than Neha and Vidhi while Shyam contributes 33 1/3 % less than Ram and 11 1/9 % more than Neha. If the annual income of Vidhi is Rs. 23,76,000 and she contributes 9/10 of her monthly income then find the contribution of Shyam.
Mohit after travelling 60 km meets his school teacher who suggests him to go slower. He then proceeds at 4/5 of his initial speed and arrives his destination 25 minutes late. Had the meeting occured 25 km further Mohit would have reached his destination 13 minutes late. Find the final speed of Mohit ?
(175/3)% of the raindrops could have been collected, when 3 cm of rain has fallen on a part of land of area 2 km2, in a tank having a 200 m × 10 m base, then water collected in the tank is 70% of its capacity. Find the capacity of the tank?
The average weight of 20 students in a class increased by 5.75 kg when one of the students left the class but when a new student joined the class then the average weight decreased by 2.75 kg. What is the difference between the age of the new student who joined the class and the student who left the class?
Three friends, Anil, Bipin, and Chandu invested some money at the rate of interest 10% per annum, 12.5% per annum, and 20% per annum simple interest respectively. If the total interest accrued at the end of 2 years was Rs. 4200 and the amount invested by Anil was 150% of the amount invested by Bipin and the amount invested by Chandu is 25% more than the amount invested by Bipin. Find the difference between the amount invested by Anil and Chandu?

The ratio of length to breadth of a rectangle is 1 : 2. If the length of the rectangle is increased by 20% and again it is decreased by 30% then the area of the rectangle is decreased by 32 sq. cm. What is the perimeter of the original rectangle?

Discussion

No Comment Found

Related MCQs

Reply to Comment