`5/6-:6/7xx?-8/9-:1 3/5+3/4xx3 1/3=2 7/9` `7/6` (b) `6/7` (c) 1 (d) None of these

What is (7/8xx7/8+5/6xx5/6+2xx7/8xx5/3)/(7/8xx7/8-5/6xx5/6) equal to? (41)/(24) (b) 1/(24) (c) 41 (d) None of these

(5)/(6)div(6)/(7)xx?-(8)/(9)div1(3)/(5)+(3)/(4)xx3(1)/(3)=2(7)/(9)

(5)/(6) -: (6)/(7) xx ? - (8)/(9) -: 1 (2)/(5) -: (3)/(4) xx 3 (1)/(3) = 2(7)/(9)

The sum of the first 20 terms of the series (1)/(5xx6)+(1)/(6xx7)+(1)/(7xx8)+backslash is (a) 0.16(b)1.6c(c)16(d) None of these

(3)/(4)(1+(1)/(3))(1+(2)/(3))(1-(2)/(5))(1+(6)/(7))(1-(12)/(13))=?(1)/(5)( b )(1)/(6)(c)(1)/(7) (d) None of these

Solve 1(1)/(8)+1(6)/(7)+3(3)/(5)=?8(121)/(140) (b) 6(163)/(280) (c) 9(197)/(280) (d) 7(117)/(140) (e) None of these

In the following set of digits how many 7s are preceded by 9 and followed by 6 ? 7 8 9 7 6 5 3 4 2 8 9 7 6 4 5 9 2 2 9 7 6 4 7 6 1) 4 2) 3 3) 7 4) 2 5) None of these

How many 6's are there in the following series which are not immediately following by 3 but immediately preceded by 8 ? 6 7 9 5 6 9 7 6 8 7 6 7 8 6 9 4 6 7 7 6 9 5 7 6 3 1) 1 2) 2 3) 3 4) 4 5) None of these