Subtract: `46. 23\ -\ 37. 5\ =` (ii) `128. 4\ -\ 53. 05\ =\ ` `45. 03\ -\ 27. 80\ =` (iv) `23. 93\ -\ 5. 946\ =`

Find the value of: 9. 756-6. 28 (ii) 21. 05\ -\ 15. 27 18. 5\ -\ 6. 79 (iv) 48. 1\ -\ 0. 37

8.65 - [ 4 + 0.5 "of" (8.8 - 2.3 xx 3.5)]

A company manufactures car batteries of a particular type. The lives (in years) of 40 such batteries were recorded as follows: 2.6 3.0 3.7 3.2 2.2 4.1 3.5 4.5 3.5 2.3 3.2 3.4 3.8 3.2 4.6 3.7 2.5 4.4 3.4 3.3 2.9 3.0 4.3 2.8 3.5 3.2 3.9 3.2 3.2 3.1 3.7 3.4 4.6 3.8 3.2 2.6 3.5 4.2 2.9 3.6 Construct a grouped frequency distribution table for this data, using class intervals of size 0.5 starting from the interval 2 - 2.5.

(i) 353.5 + 2.32 + 43.23=? (ii) 1000-132.23 =?

The sum of 2.75 and 3.78 is 1.03 (b) 1.53 (c) 4.53 (d) 5.53

Solve: 17292/33-:8=? (a) 23.5 (b) 53.5 (c) 65.5 (d) 33.5 (e) 45.5

Which is greater?(i) 0.5 or 0.05 (ii) 0.7 or 0.5 (iii) 7 or 0.7(iv) 1.37 or 1.49 (v) 2.03 or 2.30 (vi) 0.8 or 0.88.

If a\ a n d\ b vary inversely, fill in the blanks: (i) a, 8, 2, ..., 5, 1 b, 10, ..., 20, ..., 80 (ii) a, 16, 32, 8, 128 b, 4, ..., ..., 0.5