`sqrt(110 1/4)=?` (a) 10.25 (b) 10.5 (c) 11.5 (d) 19.5

Solve: (sqrt((25)/9)-sqrt((64)/(81)))-:sqrt((16)/(324))=? (a) 4.5 (b) 2.5 (c) 1.5 (d) 3.5

If x^3+1/(x^3)=110 , then x+1/x=? (a) 5 (b) 10 (c) 15 (d) none of these

In Fig. , the area of A B C (in square units) is (a) 15 (b) 10 (c) 7.5 (d) 2.5

Show the following numbers on the number line. (a) 0.2 (b) 1.9 (c) 1.1 (d) 2.5

Show the following numbers on the number line. (a) 0.2 (b) 1.9 (c ) 1.1 (d) 2.5

Show the following numbers on the number line.(a) 0.2 (b) 1.9 (c) 1.1 (d) 2.5

In Fig. 91, A O B\ is a straight line and 4x=5ydot The value of x is (a) 100 (b) 105 (c) 110 (d) 115

In Fig. 91, A O B\ is a straight line and 4x=5ydot The value of x is (a) 100 (b) 105 (c) 110 (d) 115

Mean of 10 observations is 50 and their standard deviation is 10. If each observation is subtracted by 5 and then divided by 4, then the new mean and standard deviation are a) 22.5, 2.5 b) 11.25, 2.5 c) 11.5, 2.5 d) 11,2.5

The average of 11 numbers is 10.9. If the average of the first six numbers is 10.5 and that of the last six numbers is 11.4, then the middle number is: (a) 11 (b) 11.3 (c) 11.4 (d) 11.5