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Total marks obtained by all 50 students = 50×65 = 3250 Number of Girls = 2/5 of 50 = 20 Number of boys = 30 Total marks obtained by Boys = 30×73 = 2190 Marks obtained by girls = 3250-2190 = 1060 Marks of 5 girls who were to leave the class = 5 × 62 = 310 Remaining marks of 15 girls = 1060-310 = 750 New average marks of the girls = 750/15 = 50
What is the empirical relation between mean median and mode in positively skewed frequency distribution?
Which pH level in lakes and rivers is likely to negatively impact the reproduction of most fish species?
Which is used in the control of water hyancinth
Cut or excised leaves remain green for long if induced to root or dipped in_____
What is the term for the practice of growing grass or legumes in rotation with grain or tilled crops as a soil conservation measure?
In jute growing areas the usual alternate crop is .......................?
Cyanide blocks
Gram pod borer belong to family :
Moko disease of banana is caused by
The tissue that makes up the bulk of the plant body and performs various functions such as storage and support is called:
