Question
The average mark obtained by 150 candidates in a certain
examination is 45. If the average marks of passed candidates are 55 and that of the failed candidates is 25, then what is the number of candidates who passed in the examination?Solution
According to question, => 55 × x + 25 × (150 − x) = 150 × 45 => 55x + 3750 – 25x = 6750 => x = 100
Who inaugurated the Vidya Samiksha Kendra and laid the foundation stone for 141 PM Shri Schools and the Netaji Subhash Chandra Bose Residential School i...
Who will Dave Sharma replace after winning the New South Wales Liberal Senate race in Australia?
Recently COP26 and NITI Aayog has launched an initiative E-AMRIT. What does R stand for?
Who is the official sponsor for the 37th National Games in Goa?
Which co-operative bank was fined by RBI for failing to transfer funds to the Depositor Education and Awareness Fund (DEAF) on time?
What is the name of NITI Aayog's campaign targeting six key indicators in 112 Aspirational Districts and 500 Aspirational Blocks?
Which country recently introduced new banknotes featuring hologram portraits?
The ‘ National Mission on Pilgrimage Rejuvenation and Spiritual Augmentation Drive ( PRASAD)’ was launched in which year?
The Telecommunication Mobile Number Portability (9th Amendment) Regulations, 2024 came into force on July 1, 2024. Which organization released these reg...
What is the main aim of SEBI and IEPFA’s ‘ Niveshak Shivir ’?
