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'अपने सहारे पर रहने वाले के लिये एक शब्द' स्वावलंबी है ।
3 years ago, the average age of a family of 5 members was 17 years. A baby being born, the average age of the family is 17 years. The present age of the...
The average of 10 numbers is 21.6. The average of the first four numbers is 17.5, and the average of the last three numbers is 24. The fifth number is 6...
Komal bought 20 kg rice for Rs 30 per kg, b kg rice for Rs 35 per kg and (b + 4) kg rice for Rs 25 per kg. She mixed all type of rice together and the a...
The average age of P, Q, and R is 22 years. Two years ago, the sum of the ages of P and Q was 5 years less than the age of R. Find the present age of R.
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...
In a class of ‘x’ students, if a new student weighing 32 kg joins the class, then the average weight of the class increases by 1 kg. If the ...
The average age of a group of 10 students is 30 years. Two persons of age 25 years and 30 years, left the group and 2 persons of age 54 years and...
Each side of a rhombus is 20cm long and the length of one of its diagonals is 24cm, then find the area of the rhombus.
Rohit Sharma's strike rate is initially 125 after facing a certain number of balls. Over the next 14 balls, he scores an addition...
