Question
The total area of a circle and a square is 6350
cm2, the diameter of the circle is 70cm, what is the difference between the circumference of the circle and perimeter of a square?Solution
Radius of a circle = 35cm Side of a square = a According to the question, π r2 + a2 = 6350 22/7 × 35 × 35 + a2 = 6350 3850 + a2 = 6350 a = 2500 a = 50cm Required difference = 2 πr – 4a = 2 × 22/7 × 35 – 4 × 50 = 220 – 200 = 20 cm
What is India's ranking in the 2023 World Press Freedom Index released by Reporters Without Borders (RSF)?
Consider the following statements about Central Industrial Security Force (CISF):
1. It works under the Ministry of Defence.
2...
Which Nobel laureate recognized India’s AI-driven monsoon forecasting program?
Which minister is handling the Ministry of Communications?
How many entities completed the test phase of RBI's regulatory sandbox's fourth cohort?
What is the name of NITI Aayog's campaign targeting six key indicators in 112 Aspirational Districts and 500 Aspirational Blocks?
- Which ship reached Nacala Port, Mozambique in April 2025 as part of the SAGAR Mission?
Which card payment company has launched a feature that allows users to carry out online transactions without the need to punch in the cardholder verific...
Which organization of India is responsible to develop a strong global connect and focus on the needs of the Indian economy as well as to serve as an int...
Who among the following has become the first ever Railway officer and also the first ever officer from the non-uniformed Civil Services to complete the ...
Relevant for Exams:
