UPSC Prelims

Mathematics

Theme:
Statistics / सांख्यिकी

Q39 2011, Statistics

A person has only ₹1 and ₹2 coins with her. If the total number of coins that she has is 50 and the amount of money with her is ₹75, then the number of ₹1 and ₹2 coins are, respectively

एक व्यक्ति के पास ₹1 तथा ₹2 के सिक्के हैं। यदि उसके पास कुल 50 सिक्के हैं और धन-राशि ₹ 75 है, तो उसके पास ₹1 तथा ₹2 के सिक्कों की संख्या क्रमशः