Std 8 gujarati ch 7 deshbhakt jagadusha / standard 8 gujarati ch 7 swadhyay / dhoran 8 gujarati path 7

Find the variance and standard deviation of the scores 7 , 8 , 9 , 10 and 16.

In the following number series, how many times three numbers 3, 7, and 8 appear together in such a way, that the prime number comes in the middle and rest of the two numbers are arranged on either sides? "8 3 7 8 7 3 2 7 8 3 5 3 6 8 7 5 3 2 71 3 7 8 7 3 3 7 8 8 7 3 7 "

The arithmetic mean of 7 and 8 is _____.

Study the following arrangement carefully and answer the questions given below: 6 7 8 9 9 8 7 9 7 7 8 9 7 8 7 6 9 6 8 9 7 7 9 8 9 7 6 8 8 7 How many such numbers are there in the given series each of which when subtracted from the following number, has a difference of 2 ? 1) Three 2 ) Four 3)Five 4)Nine 5)None of these

In the following number series how many such 8s are there which are immediately preceded by a pair or number whose product is more than the product of pair of of numbers immediately following 8 ? "5 3 8 2 4 5 8 3 1 9 7 4 9 6 8 5 7 8 6 5 8 4 7 5 2 8 8 3 3 5 4 2 8 6 5 3 7 8 5 9 8 7"

Subtract 3/8 from 7/8

Count each 7 which is not immediately preceded by 5 but is immediately followed by either 2 or 3. How many such 7's are there? 5 7 2 6 5 7 3 8 3 7 3 2 5 7 2 7 3 4 8 2 6 7 8

Study the following arrangement carefully and answer the questions given below: 6 7 8 9 9 8 7 9 7 7 8 9 7 8 7 6 9 6 8 9 7 7 9 8 9 7 6 8 8 7 How many such seven are there in the given series each of which is immediately preceded by 9 and also immediately followed by 8? 1) None 2 ) One 3)Two 4)Three 5)More than three

Study the following arrangement carefully and answer the questions given below: 6 7 8 9 9 8 7 9 7 7 8 9 7 8 7 6 9 6 8 9 7 7 9 8 9 7 6 8 8 7 How many nines are there in the given series each of which is immediately preceded by an odd number? 1) None 2 ) One 3)Two 4)Three 5)More than three