For the following questions answer them individually
The average marks obtained by a group of 16 students was 20. One student left the group as a result of which the average of the remaining students rose to 21. But another student joined,as a result of which the average marks of the group dropped a bit and became 20.5. What was the average marks obtained by the student who left and the one who joined?
Calculate the current flowing through a resistor of 10 ohms when potential difference of 140V is applied across it.
In a longitudinal wave, the distance between two consecutive compressions and two consecutive rarefactions is called:
Consider the given statement to be true and decide which of the following assumptions is/are implicit in the statement.
Statement:
When your dress is excellent, many people ask which tailor has stitched that dress.
Assumptions:
1. If the dress is bad, people don’t ask about the tailor.
2. People want to know how to stitch the same dress.
Which of the following Indian women cricket openers scored 320 in 45.3 overs to become the world’s first pair to achieve a 300-run opening wicket partnership in one-day internationals (ODIs)?
If X’s mother is the only daughter of Y’s father, then Y’s wife’s father is X’s .........