Question
The average cost of 3 chairs is Rs. 8000. The average
cost decrease by 20% when one more chair is included. What is the cost price of the 4th chair?Solution
Total cost of 3 chairs = 8000 × 3 = Rs. 24000 Average cost of all the 4 chairs = 8000 × (80/100) = Rs. 6400 Total cost of all the 4 chairs = 6400 × 4 = Rs. 25600 Cost of the 4th chair = 25600 - 24000 = Rs. 1600
David is ranked 15th from the top in his class. When counted from the bottom, he is ranked 126th. What is the total number of students in the class?
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In a certain code language, "ACTION" is written as "MLRGXZ", and "TRAVEL" is written as "OVEZIG". How will "DESIGN" be written in that language?
Answer the following questions based on the information given below.
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(1) Punishment   Â
(2) Arrest      Â
(3) Crime      Â
(4) Judgment
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