Given v2 = u2 - 2ft,make t subject of the formula.
t = 2f (u2 - v2)
t = 2f (u2 + v2)
Given s = d/t . find d when s = 36 and t = 5
180
120
160
140
In the formula F = 9/5 C + 32 , find c when f = 68.
60
20
30
40
Frame a formula for " A number x multiplied by itself is 25 more than the number".
2x2 = 25
2x2 + x = 25
x2 = x + 25
x2 + 25 = x
Given: I = PRT/100; find P when I = 600, r = K and T = 2
2000
2400
2500
2200
A number decreased by 15 is 35.Derive the formula
x - 15 = 35
15 - x = 35
35 - 15 = x
x -35 = 15
If A = π r2 find A when r = 14 cm and π = 22/7 ?
516 cm2
616 cm2
716 cm2
916 cm2
Obtain the formula fort the statement : when thrice a certain number is subtracted from 64, the result is 28.
2 - 3 x = 64
64 - 3 x = 28
28 = 3x + 64
None of these
Given (a + b)/a = x.Find b if x = 5 and a = 10.
35
45
In s = d/t make t as the subject
t = d/s
t = s/d
t = sd
t = d2 s