`[(8(3. 75)^3+1)/((7. 5)^2-6. 5)]` is equal to: `9/5` (b) `2. 75` (c) 4.75 (d) 8.5

(4+4×18−6−8)/(123×6−146×5)=? (a) 1 (b) 2 (c) 6.65 (d) 7.75

Find the value of 2.5^2 + 2 ( 2.5 ) ( 7.5 ) + 7.5^2

The expression (5(5)/(8))/(6(3)/(7)) of (6(7)/(11))/(9(1)/(8))-:(8)/(9)(2(3)/(11)+(13)/(22)) of (3)/(5) equals (a) 1 (b) (1)/(2)( c) (7)/(9)( d) (5)/(12)

9 4.5 4.5 6.75 13.5 33.75 ?

9 4.5 4.5 6.75 13.5 33.75 ?

Convert the following fractions into percentages. a. (2)/(25) b. (3)/(75) c. (3)/(20) d. (5)/(8) e. (7)/(40) f. (5)/(6) g. (3)/(2)

The pH of rain water, is approximately : a) 5.6 b) 7.5 c) 7.0 d) 6.5

The area of a rhombus is 119 c m^2 and its perimeter is 56 cm. The height of the rhombus is (a)7.5 cm (b) 6.5 cm (c)8.5 cm (d) 9.5 cm