`7/8`=…………..

|-7|-|-8| = ____.

The mode and median of the data 8, 6, 8, 7, 6, 8, 7, 6 is A. 7 and 8 B. 6 and 7 C. 8 and 7 D. 6 and 8

If (7a + 8b)/( 7c + 8d) = (7a - 8b)/(7c - 8d), prove that : a:b= c:d

If (7a + 8b) (7c - 8d) = (7a - 8b) (7c + 8d) : prove that a : b = c : d .

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 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 "

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

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

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