Question
Out of 4 numbers, the average of first 3 is 19 and last
3 is 20. If the last number is 21. Find the first number?Solution
Sum of first three numbers = 19 × 3 = 57 Given that last number is = 21 ∴ sum of all the four numbers = 57 + 21 = 78 ..(i) Sum of last 3 digits = 20 × 3 = 60..(ii) By subtracting (ii) from (i), we will get the first number, the first number, First number = (i) – (ii) = 78 – 60 = 18
Green Climate Fund’s thirty-fourth meeting of the Board will take place from Monday, 24 October to Thursday, 27 October 2022, its headquarters is in _...
The reorganisation and amalgamation of the three Presidency Banks in 1921 resulted in a single banking entity. What was the newly formed bank called?
In which Indian state is the Valley of Flowers National Park located?
Which of the following ministries was held by Dharmendra Pradhan before he became Cabinet Minister of Education, Skill Development and Entrepreneurship...
Vasco Da Gama landed at ______ in 1498.
Who won the men’s single title of 2024 French Open tennis championship?
‘Sengol’ installed in the new Parliament building of India, was seen as a symbol of the path of service, duty and nation in which Empire of the past...
What is acrophobia a fear of?
Who is presently serving as the Sherpa of the G20?
It is a situation in which one party gets involved in a risky situation where the party knows that it is protected through insurance and the other party...
Relevant for Exams:
