The average age of a group of 20 students is 50 years. Two persons of age 50 years and 30 years, left the group and 2 persons of age 70 years and 90 years, joined the group. Find the new average age of the group.
Required average = {(20 × 50) – 50 – 30 + 70 + 90}/20 = 54 years
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What kind of relationship exists between income and demand in case of normal goods?
Which of the following hormones is used as a herbicide?
India's first Videsh Bhavan will be established in which of the following states?
How were the Indian textile industries affected by the industrial revolution in Britain?
Under the Bharatmala Pariyojna , an MoU has been signed for swift development of modern Multi Modal Logistics Park (MMLP ) between?
Who composed Tabaqat-i-Nasiri in the Delhi Sultanate period?
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Placement of purchase order to supplier of material is_________ communication.
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