Question
The average age of 26 children and their teacher's age
are 22 years. If the teacher's age is excluded, the average reduces by 1. What is the teacher's age?Solution
Sum of the age of total children and teacher = 27 × 22 = 594 Sum of the age of children after excluding = 26 × 21 = 546 Teacher’s age = 594 – 546 = 48 years
Find the digit at unit place of 12349.
What approximate value will come in place of the question mark (?) in the following question?(Note: You are not expected to calculate the exact value.)<...
- What approximate value will come in place of the question mark (?) in the following question? (Note: You are not expected to calculate the exact value.)
What will be the approximate value of the following questions.
What approximate value will come in place of the question mark (?) in the following question? (Note: You are not expected to calculate the exactvalue.)<...
What approximate value will come in place of the question mark (?) in the following question? (Note: You are not expected to calculate the exact value.)...
? = 16.08 + 13.99 Ă— 25.07
1219.98 Ă· 30.48 Ă— 15.12 = ? Ă— 2.16
?% of 309.99 = 40.01% of 249.99 + 295.98% of 49.99
What approximate value will come in place of the question mark (?) in the following question? (Note: You are not expected to calculate the exact value.)...
