Question
In a row of some students Rahim is 15th from
one end and 47th from the other end. What is the total number of students in the group?Solution
So, Total students = 14 + Rahim(1) + 46 = 61. Alternate method : - 15 + 47 -1(Because Rahim is included in both) = 61
A number is initially increased by 37.5% and then reduced by 40%. The final value obtained after these changes is 6,270. Determine 80% of the original n...
How many whole numbers between 100 and 750 are multiples of both 18 and 24?
The value of
What is the remainder when 7³⁵ is divided by 5?
What is the value of 1² + 3² + 5² + 7² + 9² ................ 19²?
A student was required to calculate 9/20 of a number, but by mistake he calculated 11/20 of it. His answer exceeded the correct one by 65. Find the number.
The smallest number 'Z' which when divided by 16, 24, and 48 leaves 3 as the remainder in each case. Find the value of ('4Z' + 7).
One-fourth of a number is 70. What will 40% of that number?
...Find the average of the cubes of the first 7 natural numbers.