Q-1,2||Std 8 maths ch 9 || Exercise 9.2|| standard 8 maths ch 9 in gujarati|| Child Guruji

In a monthly test,the teacher decides that there will be three questions,one from each of Exercises 7,8 and 9 of the text book.If there are 12 questions in Exercise 7,18 in Exercise 8 and 9 in Exercise 9, in how many ways can three questions be selected?

The standard deviation of data 6,5,9,13,12,8 and 10 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

Discussion OF Exercise.-9.1(Q 11 to 16)|| Chapter summary

Suppose a child’s status in Math is equivalent to 9 years, in Science 10 years, in English 11 years and Hindi 12 years then his educational age 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 odd numbers are there in the given series each of which is immediately preceded by an even number? 1) Five 2 ) Seven 3)Nine 4)Eleven 5)None of these

CBSE Class 9 Ultimate Strategy to Score 100 in Maths

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

In the following number series how many 9's are there which are immediately preceded by a pair of numbers whose product is more than the product of the pair of numbers immediately following 9 ? 8 7 9 9 6 8 4 5 9 3 8 4 9 2 5 1 9 2 2 6 9 4 3 9 2 5 8 1) 4 2) 3 3) 6 4) 5 5) None of these

Class 12 Maths | Chapter 9 Differential Equations | Important Questions and Quick Revision