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Class 6
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Maths
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Knowing Our Numbers
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Hard Questions
Knowing Our Numbers
Maths
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Hard Qs
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The traffic lights at three different road
crossings change after every 48 sec, 72 sec and 108 sec, respectively. If they
all change simultaneously at 8:20:00 hrs., then at what time will they again
change simultaneously?
A
8:26:12 hrs.
B
8:26:00 hrs.
C
8:27:00 hrs.
D
8:27:12 hrs.
Hard
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>
Write the greatest
$4−digit$
number using different digits with
$6$
in the ten's place?
A
$9865$
B
$9867$
C
$9687$
D
$6987$
Hard
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>
Expanded form of
$37034$
is __________.
A
$3000+700+0+30+4$
B
$30000+700+0+10+4$
C
$30000+1000+0+70+4$
D
$30000+7000+0+30+4$
Hard
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>
Find the greatest number which will divide the greatest
$4−digit$
number and the greatest
$5−digit$
number exactly.
A
$9$
B
$8$
C
$7$
D
$3$
Hard
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>
The Patel family flies from their home town, H, to Kiruna , K , in Lapland.
Mr. Patel buys a bag of sweets.
The bag of sweets costs
$$3.25$
.
Calculate the cost of the sweets in euros
$(∈)$
when the exchange rate is
$∈1=$1.24$
.
Hard
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>
Add the following rational number
$7−3 $
and
$7−5 $
Hard
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>
One trillion is 1 followed by 12 zeros. What is 1 followed by 18 zeros?
A
1 quadrillion
B
1 quintillion
C
1 septillion
D
1 octillion
Hard
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>