Question
Calculate the mean of these numbers: 18, 14,
22, 16, 20, 12Solution
ATQ, Mean = (18 + 14 + 22 + 16 + 20 + 12) ÷ 6 = 102 ÷ 6 = 17
If a number 'x' is increased by 30% and then decreased by 20%, the resultant obtained is 416, then find the value of 'x'.
Which of the following is a prime number?
Find the difference between minimum and maximum value of 'j' such that '7j5302' is always divisible by 3.
Find the value of 6 + 66 + 666 + 6666 +hellip;hellip;hellip;hellip;.. + n terms.
1. `(2)/(3) ((10 xx (10^(n)- 1))/9 - n)`
2.
- Consider the given question and decide which of the following statements is sufficient to answer the question.
‘N’ is any natural number. When it wi... What is the remainder when (x²⁷ + 51) is divided by (x + 1)?
Range of the given data 23,19,16,17,21,9,18,6.
In a class, 1/3 of the students are girls and rest are boys. If 3/5 of the girls and 1/5 of the boys are absent, what part of the total number of studen...
- Calculate the largest 5-digit number which is divisible by ‘64’
When the digits are swapped, the new two-digit number equals 44 less than 120% of the original. The sum of the digits is 13. Determine the original number.
