The present age of a father and that
of his son are in the ratio 7 : 1. After
4 years, the ratio will be 4 : 1. What
is the son′s present age (in years) ?
In a cricket team of 11, there 7 were
atleast 20 years old and 8 were atmost
30 years old. The ages of how many
were from 20 years to 30 years(both
inclusive)?
Consider a rectangular plate of lamina
density ρ = 0.025 whose mass is 5kg about
an axis 3cm from one of its sides as shown
below. using parallel axis theorem , find
the moment of inertia about the xx axis and
the radius of gyration.
1) bila seluruh energi potensial kembali
menjadi kalor pada air terjun agar
perbedaan suhu air diatas dan dibawah
air terjun 1°C maka tinggi air terjun harus...??
2) massa benda A 3 kali massa benda B
dan kecepatan benda A setengah kali
kecepatan B. Ek benda A dibandingkan
Ek benda B adalah....?
Let f(x)=x^(2013) +2
(a).Find the remainder when f(x) is divided by x+1.(done)
(b). Show that when 7^(2013) +2 is divided by 8, the remainder
is 1. (please help!)
A polygon has two interior angles of 120° each
and the others are each 150°. calculate
(a) The number of sides of the polygon .
(b) The sum of the interior angles.