Add the following expressions:
`uv - vw, vw - wu and wu - uv`

Solve the following equations 8v-3u=5uv and 6v-5u=2uv

Solve the following system of equations: 8v-3u=5uv,quad 6v-5u=-2uv

Solve the following system of equations: 2(3u-v)=5uv,quad 2(u+3v)=5uv

In the following series, one term is missing as shown by the question mark (?). Select the missing term from given options. ST, TU, UV, VW, ?

Which of the following effects on humans will be caused by excessive exposure to UV-rays ?

rst - - rs - uv - stu - rst - -

In the following question, select the related letter from the given alteranatives. WUS : DFH :: MKI :? (A) LIH (B) GEC (C ) Oqs (D) NPR

What is the value of u in the system of equations 3 (2u + v) = 7uv, 3 (u + 3v) = 11uv ?

How many of the following statements are correct ? 1. Good ozone is found in the stratosphere. 2. UV radiation having a lower wavelength than UV -B is almost completely absorbed by the Earth's atmosphere. 3. UV - B causes snow blindness and cataract. 4. dB is a unit to measure the thickness of ozone.