Question
Average of four consecutive prime numbers R1, R2, R3,
and R4 is (14 + x). If the average of R1 and R2 is (11 + x) and the average of R3 and R4 is (11 + 2x), then find R4.Solution
ATQ, Sum of R1, R2, R3, and R4 = (14 + x) × 4 = 56 + 4x Sum of R1 and R2 = (11 + x) × 2 = 22 + 2x Sum of R3 and R4 = (11 + 2x) × 2 = 22 + 4x Now, setting the equations equal: 22 + 2x + 22 + 4x = 56 + 4x Or, x = 6 Sum of R3 and R4 = 22 + 4 × 6 = 46 R3, R4 = 17, 23 Answer: R4 = 23
Consider the following statements about unemployment:
1. Frictional unemployment occurs due to short-term transitions in the labor market.
Match the following women with their achievements:
- The Sao Joao festival is a traditional annual celebration in which Indian state?
Which of the following countries is not a part of the European Free Trade Association block?
World Refugee Day is celebrated on which of the following days?
Tanjore Balasaraswati was a dancer of which of the following dance forms?
Which Gurudwara is located near Pratap Gate in Kaithal town of Haryana?
Who authored the book Hind Swaraj, which discusses self-rule and critiques modern civilization?
- Which individual was confirmed by the US Senate as the Director of the National Institutes of Health (NIH)?
- In which month of the Hindu calendar is the famous Jagannath Rath Yatra held?
Relevant for Exams:
