December 2020
Intermediate to advanced
369 pages
14h 24m
English
Content preview from Pearson IIT Foundation Mathematics Class 7, 8th Edition by Pearson
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Chapter 3
3.22
PRACTICE QUESTIONS
31. The following steps are involved in nding the
simple interest on `1000 for 3 years at the rate of
15%. Arrange them in sequential order from the
rst to the last.
(A) ∴ Simple interest (in rupees) =
100
31
5
100
××
(B) We have I =
PTR
100
.
(C) 10 × 3 × 15 = 450
(a) BCA (b) BAC
(c) ABC (d) CBA
Directions for questions 32 to 35: Match Column A
with Column B.
Column A Column B
32. If SP = `120 and
CP = `100 then
(a) 2
33. If SP = `75 and
CP = `100, then
(b) 5
34. If a:b = 4:3 and
b:c = 3:2, then a/c is
(c) Prot is `20.
35. 18 km/h = ____ m/s
(d) Loss is `20.
(e) Prot % is
25%.
(f) Loss % is
25%.
Directions ...
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