Question
Solution
Triangles are = ABC, ABQ, AQC, ABL, ALC, ABM, ACK, AHJ, AJI, AHI, AKL, AML, BLK, LCM, DEB, CGE, BLC, BLQ, QLC, NOL, OLP, LNP, KCB, BMC
Anita bought a refrigerator at a discount of 20% on MRP. She earned one-third the amount of her CP by renting it for 300 days. After that, she resells i...
The average age of three children is 20 years. If their ages are in the ratio 1:2:3. Find the age of the youngest child.
The average wage of a group of 20 labourers is Rs. 500. If 4 persons receiving average wage of Rs. 360 leave the group and 2 persons receiving average w...
In an examination, the average marks obtained by the students is 40. After correcting the quantitative mistakes, the average of 50 students is reduced t...
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Find the median of the following observation:
24, 28, 29, 21, 19, 18, 25, 27, 17, 20, 28, 30, 11, 13If a:b:c = 3:4:6, and (5a + 3c) = 132, then find the value of '3b'.
The average of 10 observations is 46. It was realized later that an observation was misread as 42 in place of 142. The correct average is:
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Average age of 30 students is 14 years. If 6 students leave the class, then the average age decreases by 0.5 years. Find the average age of the students...
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