cube and cube roots up to 1 to 30 fully table
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Step-by-step explanation:
CAREER POINT SCHOOL ONLINE
TEXT BOOK EXERCISE
Subject: MATHEMATICS
Class – VIII
Chapter: 8 Percentage and its applications
EXERCISE 8.1
Q 12 Vikram got an increase of 10% in his salary. If the salary after increase was
Rs. 36355, find his salary before increase. Q 14 60% students in a school are boys. Find the total number of students in the
school if 120 are girls. Q 17 On a crossing, when the lights are on( during one cycle ), the vehicles which
cross the green light comprise 50% four wheelers, 35% two wheelers and the rest
three wheelers. If 30 three wheelers cross the light, how many four wheelers and
two wheelers cross during same period?
Q 20 The value of a car depreciates 20% every year. If after two years the price of
a car is Rs. 208000, find its original price. EXERCISE 8.2
Q 8 A shopkeeper bought wheat for Rs. 35000. Due to leakage in the godown 1/7
of the total wheat was spoiled. He sold the good wheat at a gain of 10% and the
spoiled wheat at a loss of 25%. Find his total gain or loss %. Q10 A shopkeeper buys 5 fans for Rs. 4050. He spends Rs. 50 on the
transportation, and sells them at a gain of 15%. Find the selling price of a fan. Q 14 By selling a chair for Rs. 500, Raman loses 10% . For how much should he
sell the chair so as to gain 8%.
cube Root (3√)
1 - 1.000 2 - 1.260
3 - 1.444 4 - 1.587
5 - 1.710 6 - 1.817
7 - 1.913 8 - 2.000
9 - 2.080 10 - 2.154
11 - 2.224 12 - 2.289
13 - 2.351 14 - 2.410
15 - 2.466 16 - 2.520
17 - 2.571 18 - 2.621
19 - 2.668 20 - 2.714
21 - 2.759 22 - 2.802
23 - 2.844 24 - 2.884
25 - 2.924 26 - 2.962
27 - 3.000 28 - 3.037
29 - 3.072 30 - 3.107
CUBE
1³ 1× 1× 1 1
2³ 2× 2× 2 8
3³ 3× 3× 3 27
4³ 4× 4× 4 64
5³ 5× 5× 5 125
6³ 6× 6× 6 216
7³ 7× 7× 7 343
8³ 8× 8× 8 512
9³ 9× 9× 9 729
10³ 10× 10× 10 1000
11³ 11× 11× 11 1331
12³ 12× 12× 12 1728
13³ 13× 13× 13 2197
14³ 14× 14× 14 2744
15³ 15× 15× 15 3375
16³ 16× 16× 16 4096
17³ 17× 17× 17 4913
18³ 18× 18× 18 5832
19³ 19× 19× 19 6859
20³ 20× 20× 20 8000
21³ 21× 21× 21 9261
22³ 22× 22× 22 10648
23³ 23× 23× 23 12167
24³ 24× 24× 24 13824
25³ 25× 25× 25 15625
26³ 26× 26× 26 17576
27³ 27× 27× 27 19683
28³ 28× 28× 28 21952
29³ 29× 29× 29 24389
30³ 30× 30× 30 27000