alleryএকটি আয়তক্ষেত্রের বাহুগুলির অনুপাত 5 : 3 এবং পরিসীমা 64 cm। এর ক্ষেত্রফল হলো
A240 sq cm
B225 sq cm
C256 sq cm
D200 sq cm
Answer & Solution
Correct answer: A. 240 sq cm
দৈর্ঘ্য ও প্রস্থের যোগফল 8 ভাগের মধ্যে 32 cm, যা থেকে বাহু দুটি হয় 20 cm এবং 12 cm এবং ক্ষেত্রফল 240 sq cm।
Keep practising Ratio and Proportion
Browse all Ratio and Proportion questions for RRB NTPC, or explore more Quantitative Aptitude topics.
Related questions
If the ratio of boys to the whole class is 3 : 8, the ratio of boys to girls isA 40 kg mixture has A, B, C, D in the ratio 5 : 9 : 4 : 2. The amount of B isA screen has a 4 : 3 aspect ratio and is 32 cm wide. Its height isIn metrology, a ratio is a dimensionless quotient of two quantities measured inBoys are 3/8 of a class and number 60. How many girls are there?A ratio is 7 : 13. The first term is what percent of the total of both terms?The ratio 3 : 5 expressed as a percentage means the first is what percent of the second?If 3 : x = 12 : 20, then x is