Question
निम्नलिखित प्रश्न
में , चार विकल्पों में से , उस विकल्प का चयन करें जो विराम-चिह्न युक्त वाक्य का सही विकल्प हो।Solution
व्याख्या: कथन के लिए उद्धरण-चिह्न और अल्पविराम का सही प्रयोग हुआ है।
The average age of 10 students is 20. If the teacher’s age is included, the average rises by 2. Find teacher’s age.
Sum of ages of 90 players is 1800 years. The average age of 40 of them is 16 years and the average age of another 30 of them is 14 years. Find the avera...
Average age of 3 children born at intervals of 2 years is 8. How old is the eldest child?
Mixture X comprises juice and water in a 5:4 ratio, and mixture Y consists of juice and water in a 7:9 ratio. When mixture X is combined with mixture Y,...
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The average of 9 numbers is 100. The average of the first 4 numbers is 65 and the average of the last 4 numbers is 40. What is the 5th number?
- There are three distinct numbers ‘d’, ‘e’ and ‘f’. If, d = 120, (d + e) = 420 and (f – e) = 60, then find the average of d, e and f.
The average marks of 22 students is 64. If x new students join with an average of 75 marks, the class average increases to 66. Find x.
Average marks scored by each boy in a class were 80, whereas that by each girl were 88. If the number of boys is 50% more than the number of girls, then...
A number is such that when it is multiplied by 5, it gives another number which is as much above from 210 as the original number (itself) is below 210. ...
