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Let the original price of the commodity be Rs. '100x'. New price of the commodity = 100x × 1.25 × 0.75 = Rs. '93.75x' So, 93.75x = 600 x = 600 / 93.75 = 6.4 Therefore, the original price of the commodity = 100 × 6.4 = Rs. 640.
The average age of a group of 10 students is 30 years. Two persons of age 40 years and 35 years, left the group and 2 persons of age 50 years and 95 yea...
The average age of a class of 25 girls is 16 years. If 5 new girls having average age of 10 years join the class, then the average age of the class beco...
The average of ten positive numbers is calculated as 56. On observing, it was found that two numbers 64 and 32 are wrongly interpreted as 76 and 52, res...
The average age of (x + 7) trainees is 17 years. When a 39-year-old trainer joins, the average becomes 18 years. Find x% of 500.
The average of 16 numbers is 37. If 3 is added to each number, then the new average will be:
The average of 10 numbers is 42. If the average of the first 4 numbers is 24 and the average of the last three numbers is 36, then what is the average o...
Each question contains a statement followed by Quantity I and II. Read the information clearly and answer your questions accordingly.
Qu...
The average of 7 numbers is 28. The average of first three of them is 23 and the last three of them is 42. Then the fourth number is:
The average age of three children is 14 years. If their ages are in the ratio 1:2:3. Find the age of the youngest child.
The average weight of 5 students in a class is 25.8kg. When a new student joins them, the average weight increases by 3.9kg. Then what will be the appro...
