Question
Out of 6 numbers, the average of first 5 is 19 and last
5 is 20. If the last number is 21. Find the first number?Solution
Sum of first five numbers = 19 × 5 = 95 Given that last number = 21 Sum of all the six numbers = 95 + 21 = 116 .....(i) Sum of last 5 digits = 20 × 5 = 100 …...(ii) By subtracting (ii) from (i), we will get the first number, the first number, First number = (i) – (ii) = 116 – 100 = 16
Asansol, Howrah, Malda and Sealdah division come under which railway zone of India?
When South Africa joined this group?
Consider the following statements in regards to Mission for Integrated Development of Horticulture (MIDH):
1. It is a Centrally Sponsored ...
Article 77 of the Indian Constitution deals with the __________.
Who founded the "Naujawan Bharat Sabha"?
‘Eris’ is a new variant of which of the following disease?
In September 2022, the Daspara village in ________– which is solely dependent on agriculture and fishery – was converted to a nature-based lifestyle...
Consider the following statement about “Miyawaki” Plantation Method:
1. In December 2023, in a bid boost forest cover in the coal belt region...
Consider the following statements about the Comptroller and Auditor General of India.
1. The office of the Comptroller and Auditor General in t...
The RIDF (Rural Infrastructure Development Fund) was set up by the Government in 1995-96 for financing ongoing rural infrastructure projects and is man...
Relevant for Exams:
