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Start learning 50% faster. Sign in now324 – 36 = 288 288 – 25 = 263 263 – 16 = 247 247 – 9 = 238 238 – 4 = 234
18 years ago the average age of a family of four members was 45 years. Two children were born in that span of 18 years. The present average age of the ...
The average of a group of observations is 34.4. If every observation is scaled by a factor of 2.5, what will the resulting averag...
The average of 18 numbers is 36. If 4 is added to each number, then the new average will be:
2 years ago, the average age of the family of 3 members is 13 years. A baby is born now; the average age of the family is same as before. Find the age o...
The average expenditure of a man for the first 4 month is Rs.4000 and for the next 8 months is Rs.6000. If he saves 11000 in that year then find his ave...
The average of n numbers is 64. If each of 56% of the numbers is increased by 15 and each of the remaining numbers is decreased by 10, then the n...
In an examination, Aryan scored 54% marks and passed by 98 marks, while Rohit scored 35% marks and failed by 35 marks. Determine the passing marks for t...
In a Math exam, the average score of 50 students is 68. The ratio of boys to girls in the class is 3:2. If the average score of the boys is 70, what is ...
