11. The cost of rice increased by 12% and the
consumption reduced by 5%. Find the percentage
change in the expenditure of a housewife.
(a) 14.4% increase (b) 7% increase
(c) 6.4% increase (d) 7% decrease
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Answers
Step-by-step explanation:
21. The height of a triangle is increased by 30%. What
can be the maximum percentage increase in length
of the base so that the increase in area is restricted
to a maximum of 90%?
(a) 33.33%
(b) 20.67%
(C) 46.15%
(d) 25.34%21. The height of a triangle is increased by 30%. What
can be the maximum percentage increase in length
of the base so that the increase in area is restricted
to a maximum of 90%?
(a) 33.33%
(b) 20.67%
(C) 46.15%
(d) 25.34%21. The height of a triangle is increased by 30%. What
can be the maximum percentage increase in length
of the base so that the increase in area is restricted
to a maximum of 90%?
(a) 33.33%
(b) 20.67%
(C) 46.15%
(d) 25.34%21. The height of a triangle is increased by 30%. What
can be the maximum percentage increase in length
of the base so that the increase in area is restricted
to a maximum of 90%?
(a) 33.33%
(b) 20.67%
(C) 46.15%21. The height of a triangle is increased by 30%. What
can be the maximum percentage increase in length
of the base so that the increase in area is restricted
to a maximum of 90%?
(a) 33.33%
(b) 20.67%
(C) 46.15%
(d) 25.34%
(d) 25.34%