Which number can replace both the question marks in the equation `(4 1/2)/?=?/(32)` . (a) 1 (b) 7 (c) `7 1/2` (d) None of these

Which number should replace both the question marks in the following equation? ?/(1776)=(111)/? (a) 343 (b) 414 (c) 644 (d) 543 (e) None of these

What value will replace the question mark in the following equation? 4(1)/(2)+3(1)/(6)+?+2(1)/(3)=13(2)/(5)

9. 02-5. 7=\ ? (a) 3.32 (b) 3.23 (c) 2.32 (d) None of these

(4335)/(4(?)24)-:1(7)/(8)=(289)/(528)(a)1(b)2(c)8(d) None of these

The number of solutions of equation tan^(-1)2x+tan^(-1)3x=pi/4 is (a) 2 (b) 3 (c) 1 (d) none of these

The number of solutions of equation tan^(-1)2x+tan^(-1)3x=pi/4 is (a) 2 (b) 3 (c) 1 (d) none of these

Select the number that can replace the question mark (?) in the following series 1, 1, 2, 3, 7, 22, ?