RMS AND SAINIK SCHOOL CLASS VI MATHS REVISION PAPERS BY DEFENC ACADEMY COIMBATORE
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15. Sachin scored 65, 54,
96, 82 and 78 marks in 5 subjects. What was the average marks per subject?
16. The average height of a
family of six members is 162 cm.If the heights of five family members are 154
cm, 156 cm , 160 cm , 159 cm and 158 cm,find the height of sixth family member?
17.
Henry earns Rs.5645 on the first day, Rs.2685 on the second day, Rs.7688
on the third day, Rs.6212 on the fourth day and Rs.? on the fifth day. If his
average earnings for five days was RS.4780?
18.a) Find the
value of 45% of 240kg?
b) Express 9/5 as a percent?
25 questions 4 marks each. Maths
time is 1 hour and 30 mins
Directions: Where required write
steps to find the answer
Use formula . See if Converstion is
required, if yes convert as required.
Write the units such as Rs., km/hr or
m/s in the answer
Write all the formula before you
attempt the questions. This will help you to attempt the problems easily.
NUMERATION
1. Find the
SUM and Difference between the greatest and smallest number that can be formed
from 6,.4, 0, 1,8.
2. Write 755
in Roman numerals and DCCLXXVII in Indo –arbic
3. How much
should be subtracted from 8374092 to get
223478 ?
LCM & HCF
4. Find the greatest number that will divide 43, 91 and 183 so as to leave
the same remainder in each case.
5. Six bells commence tolling together and toll at intervals
of 2, 4, 6, 8 10 and 12 seconds respectively. In 30 minutes, how many times do
they toll together?
6. The greatest number of four digits which is divisible by
15, 25, 40 and 75 is:
7. The G.C.D. of 1.08,
0.36 and 0.9 is:
Unitary Method
8. Find the cost of 1 ¾ Dozen apples is 2 apples cost Rs.20
9. If 7 men can do a job in 9 days how many men are required
to do the same job in 3 days?
10. A man works 8 hours a day to earn Rs.888, if he works for
11 hours a day, how much will he earn in 3 days?.
Simplification ( Use BODMAS where required)
11. 12 + 4 - 8 ÷
2 × 3 = ?
12. 5/6 ÷ 1/3 + 3/4 – 5/4 = ?
13. 5.01 × 1.2 - 2.4 ÷ 2
14. 7 - [6 - {5 - (4 - 3)}] ÷ 2
Average :
15. Sachin scored 65, 54,
96, 82 and 78 marks in 5 subjects. What was the average marks per subject?
16. The average height of a
family of six members is 162 cm.If the heights of five family members are 154
cm, 156 cm , 160 cm , 159 cm and 158 cm,find the height of sixth family member?
17.
Henry earns Rs.5645 on the first day, Rs.2685 on the second day, Rs.7688
on the third day, Rs.6212 on the fourth day and Rs.? on the fifth day. If his
average earnings for five days was RS.4780?
Percentage
18.a) Find the
value of 45% of 240kg?
b) Express 9/5 as a percent?
19. A boy scored 85 marks out of 150. Find the percentage of the marks
scored
Profit and Loss
20. Dia
bought rice bag rupees 500 per bag. Due to spoilage, she had to sold them for
rupees 450 per bag. Find the gain or loss%.
21. Mr Ravi bought a washing machine for rupees 15,000 and
sold it for rupees 17,000. Find his profit or loss percent.
22. Manas sold 36 pens, at the cost price of 42 pens. What is
his percentage of profit?
23. A man bought a car for Rs. 75,000, got is repaired it for
Rs. 25,000, he wants to sell it at 15% gain. What should be his selling price?
Time-Speed and Distance
24. a) Aarav ran 100 m in 15 seconds
find his speed in kmph.
b) Convert 72 km ph into m/s
25. A train cross an electric pole in
12 seconds. If the speed of the train was 48 kmph, then the length of the train
is___________m
Step 1. Given Speed of train 48 km/h. Distance covered in 12 seconds is asked
?
Convert km into m/s. and then
use the formula Distance= Speed x time
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Answers to Questions asked on 25th
October. 2019
|
1
|
86410 +10468 = 96878 and 75942
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2
|
777 = DCCLXXVII
|
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755 = 755
= DCCLV
|
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3
|
8150614
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4
|
Required number = H.C.F. of (91 - 43), (183 - 91) and (183 - 43)
= H.C.F. of 48, 92 and 140 = 4.
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5
|
L.C.M. of 2, 4, 6, 8, 10, 12 is 120.
So, the bells will toll together after every
120 seconds(2 minutes).
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6
|
Greatest number of 4-digits is 9999., L.C.M. of 15, 25, 40 and 75 is 600.
On dividing 9999 by 600, the remainder is 399.,
 Required number (9999 -
399) = 9600. |
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7
|
0.18
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8
|
2 apples rs. 20, one apple is Rs.
10, 1 ¾ = 12+9 = 21 x 10 = Rs.210
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9
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One man can do the job in 7 x 9 =
63 days, to do the job in 3 days men required 63/3= 21
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10
|
8 hours rs. 888. One hour Rs.111
x11x 3 = 111x 33 = Rs3663
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|
11
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4
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|
12
|
2
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|
13
|
4.812
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|
14
|
0
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15
|
75
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16
|
185 cm
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|
17
|
Rs.1660
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|
18
|
A 108
and
b)180%
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|
19
|
56.66%
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|
20
|
Loss%
= Loss/C.P X 100 = 50/150 X 100 = 33.33%
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|
21
|
Profit
% = Profit/C.P X 100 = 2,000/15,000 X 100 = 13.33%
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22
|
16
2/3 %`
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23
|
Rs.1,15,000
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24
|
100/15
x 3600 = 24 kmph
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|
24
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b)
72x 1000/ 3600 = 20 m/s
|
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|
25
|
48
x 1000= 48000/ 3600 * 12= 160 m
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