Question
Average of four numbers is 21. Sum of smallest and
largest number is 53. If difference between other two numbers is 1, then find the square of second smaller number.Solution
Let four numbers in increasing order is a, b, c and d. => a + b + c + d = 4 x 21 = 84 => a + d = 53 => b + c = 31 According to question, => c – b = 1 => b = 15, c = 16 => b² = 225
Which of the following pairs is not correctly matched?
A new malware targeting Android users to steal banking credentials was recently discovered. What is the name of this malware?
In which language was the epic "Ramcharitmanas" written by Tulsidas?
Which of the following districts of uttarakhand has maximum forest area in percentage as per forest report 2021?
Who has recently been honored with the 'Dr V G Patel Memorial Award 2023'?
Where will the Street 20 cricket tournament, exclusively for street children and featuring participants from 15 countries be held for the first time?
How much funding did the World Bank approve to help Pacific Islands maintain access to the global financial system?
Which poet won the 2024 Kerala Sahitya Akademi award for poetry?Â
Which company partnered with Bharat Electronics to support India's medium-range surface-to-air missile systems?
Who won the Canadian Grand Prix, which was raced in wet and dry conditions?
Relevant for Exams:
