Question
The average of 11 numbers is 50. The average of the
first six numbers is 48 and the average of the last six numbers is 52. Find the 6th number.Solution
Total sum of 11 numbers = 11 × 50 = 550 Sum of first 6 numbers = 6 × 48 = 288 Sum of last 6 numbers = 6 × 52 = 312 The 6th number is counted in both these sums. So: (First 6 sum) + (Last 6 sum) − (6th number) = Total sum 288 + 312 − x = 550 600 − x = 550 ⇒ x = 50 6th number = 50.
What is the main objective of the “National Rural Employment Guarantee Act (NREGA)” now known as MGNREGA?
The inflorescence of fennel is which of the following?
Which part of the hindgut is responsible for absorbing water and minerals from undigested food materials?
Which system of planting is most suitable for sloppy lands in hilly areas?
What differentiates open vascular bundles from closed vascular bundles in plants?
Which of the following packaging materials is not considered environmentally sustainable for fresh produce?
Water inside the plant moves through:
The process of judicious removal of parts like leaves, flowers, and fruits to obtain good and qualitative yield is called:
In the conditions of severe drought, the release of ______ plant hormone starts which closes the plant stomata.
Which is a surface irrigation system?
