Question

i)The expression 2x + 3y + 4z is in (a) one expression (b) two expressions (c) three expressions (d) none of these. ii) What do you get when you subtract -3xy from 5xy? (a) 3xy (b) 5xy (c) 8xy (d) xy iii) How many edges does a triangular prism have? (a) 11 (b) 9 (c) 6 (d) 3 iv)The quantity of protein in a particular variety of pulse is 25% . Find the amount of protein in 8kg. of pulse. (a) 1kg. (b) 2kg. (c) 3kg. (d) 4kg. v) How many faces does a pyramid with square base have? (a)5 (b) 4 (c) 3 (d) 6​

Answer 1

Answer:

i)--(a)one expression

ii)--(c)8xy

iii)--(b)9

iv)--(b)2kg

v)--(a)5

Explanation

ii)5xy-(-3xy)=5xy+3xy=8xy

iv)25% of 8kg= amount of protein in 8kg of pulse

》(25/100) *8=2