`5 2/3-:?5/6=2` (a) 2 (b) 3 (c) 4 (d) None of these

If 25 a+25 b=115 , what is the average of a and b ? (a) 2.5 (b) 3.4 (c) 4.5 (d) 4.6 (e) None of these

If a/2=b/3=c/4, then a : b : c= (a) 2:3:4 (b) 4:3:2 (c) 3:2:4 (d) None of these

(2^3)^4 = (a) 2^4*3 (b) 2^3*4 (c) (2^4)^3 (d) none of these

Which of the following fractions lies between 2/3a n d5/7? 3/4 (b) 4/5 (c) 5/6 (d) None of these

Which of the following is a proper fraction? (a) 3/5 (b) 5/3 (c) 1 2/3 (d) None of these

Which of the following is a proper fraction? (a) 3/5 (b) 5/3 (c) 1 2/3 (d) None of these

The value of 3^((log)_4 5)-5^((log)_4 3) is 0 (b) 1 (c) 2 (d) none of these

The value of 3^((log)_4 5)-5^((log)_4 3) is 0 (b) 1 (c) 2 (d) none of these

The value of 3^((log)_4 5)-5^((log)_4 3) is 0 (b) 1 (c) 2 (d) none of these

If a,(:b,backslash c are integers; a^(2)+b^(2)=45 and b^(2)+c^(2)=40, then the values of a,backslash b and c respectively are (a) 2,6,3( b) 3,2,6(c)5,4,3 (d) None of these