The cube root of .000216 is:
.00021613=21610613=6*6*6102*102*10213=6102=0.06
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What should come in place of both the question marks in the equation
?128=162?
Let x128=162x
Then, x2=128×162 =64×2×18×9=82×62×32 = 8×6×3 =144
∴x=12
If 0.00000676=0.0026 then 6760000 is:
6760000=0.00000676×102= 0.00000676 ×102 = 0.0026×106 = 2600
If (89)2 is added to the square of a number, the answer so obtained is 16202. What is the (1/26) of that number?
Let the number is = x
(89)2 + x2 = 16202
x2 = 8281
x = 91
=> (1/26) of 91 = 3.5
The value of 10+25+108+154+225is:
10+25+108+154+22510+25+108+154+1510+25+108+1310+25+1110+616=4
If 35+125=17.88, then what will be the value of 80+65 =?
35+125=17.88 ⇒35+55=17.88
⇒5=2.235
∴80+65=45+65=105=10×2.235=22.35
A group of students decided to collect as many paise from each member of group as is the number of members. If the total collection amounts to Rs. 59.29, the number of the member is the group is:
Money collected = (59.29 x 100) paise = 5929 paise.
Number of members = 5929 = 77.
If 18225=135, then the value of 182.25 +1.8225+0.018225+0.00018225 is:
Given exp = 18225102+18225104+18225106+18225108
= 1822510+18225102+18225103+18225104
= 13510+135100+1351000+13510000
= 13.5+1.35+0.135+0.0135=14.9985