SSLC (English Medium) इयत्ता ७ - Tamil Nadu Board of Secondary Education Question Bank Solutions

_______________ is a representative value of the entire data

The mean of first fifteen even numbers is ____________

The average of two numbers are 20. One number is 24, another number is ____________

The mean of the data 12, x, 28 is 18. Find the value of x

Arithmetic mean of 15 observations was calculated as 85. In doing so an observation was wrongly taken as 73 for 28. What would be correct mean?

Find the mean and mode of 6, 11, 13, 12, 4, 2

Find the mean of first 10 prime numbers and first 10 composite numbers

−44 + ____ = −88

_____ – 75 = – 45

_____ – (+50) = – 80

(– 675) – (– 400) = –1075

15 – (–18) is the same as 15 + 18

(– 45) – (– 8) = (– 8) – (– 45)

Find the value of –3 – (– 4) using number line

Find the value of 7 – (–10) using number line

Find the value of 35 – (– 64)

Find the value of –200 – (+100)

Subtract 94860 from (−86945)

Find the missing values.

Find the missing values.