What is the surface area of a triangular pyramid. with slant height 12 cm base area 24 cm² and primater 36 cm

John scored following marks in Term 1:  45, 50, 42, 38, 40, Find his mean deviation

Find MAD for first 3 multiplesof 5

Calculate MAD for first five whole numbers

Calculate MAD for first six natural numbers

Find MAD for first five add numbers.

A signal which can be green or red with probability and respectively, is received by station and then transmitted to station 8 The probability of each station receiving the signal correctly is the signal received at staTtion8 is green, then the probability that the original signal was green is

A frequency distribution has arithmetic mean 7.85, then missing term is

For such questions, we need the the formula for arithmetic mean.

Which of the following satisfies subtraction priority of equality.

Calculate the mad for first 5 prime numbers.

The mean of following frequency table is 50
The missing frequencies are

Find the least common denominator for the fractions  and 

Lucy wants to cover a custodial box  of a birthday present. the dimentions of the box are 10cm x 12cm x 8 cm. how much warping papers will she need.

Find the MAD for  3,9,4,12,8,6

What is the reflection of (3,4) in 4th quadrant.

What will be correct inequality if  is divided by .-2