Question
Which country has officially joined the New Development
Bank (NDB) in May 2025?Solution
Algeria became the newest full member of the NDB by depositing its instrument of accession on May 19, 2025.
The average age of three children is 20 years. If their ages are in the ratio 5:6:9. Find the age of the youngest child.
The average number of books sold by Viren in first 5 months is 3000 and in first 6 months is 3800. If the number of books sold by him in 7th ...
- The average of two consecutive even numbers is 67. If the smaller number is increased by 35% and the larger number is decreased by 35%, then find the diffe...
- A set of 50 observations has an average of 63. Find the new average when each observation is increased 8 times.
- The average age of (x + 1) students of a class is 20 years. If the 50 years old class teacher is also included then average age of the class gets increased...
The average weight of 20 students in a class is 52 kg. Two students leave the class, and their combined average weight is 40 kg. Subsequently, six new s...
Amit achieved a score of 28% in an exam but fell short by 42 points to pass. Rahul, on the other hand, secured 41% in the same test and exceeded the pas...
The average of 15 numbers is 110. The average of the first 7 numbers is 98 and the average of the last 7 numbers is 62. What is the 8th number?
- The average height of 30 boys is 165 cm and the average height of another group of 25 boys is 172 cm. What is the average height (in cm) of all the boys to...
Average of three consecutive numbers is 91. Find the sum of smallest and largest number.
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