DK MATHS

Simplify: [(5⁻²×27²×10⁴)/(3⁶×4²×5⁴)]⁻¹ #ssc #rrb

If 3³ⁿ⁻¹÷ 9 = 27, then find the value of n. #ssc #cgl #rrb #railway

If cosθ/(1-sinθ)+cosθ/(1+sinθ)=4, 0°≤ θ≤ 90°, then the value of tanθ+cosecθ is:

Two squares of sides 4 cm and 6 cm are joined together. Find the total area.#rrbgroupdmaths

The area of a rectangle is 20 m² and its length is 5 m. Find the perimeter of the same rectangle.

Simplify and write the answer in the exponential form (-4)⁻³×5⁻³×(-5)⁻³.#tet #rrbgroupd

Solve the following: 1/(1+cosθ)+1/(1-cosθ)=?

√(7+2√12)+√(7-2√12)=?#ssc #rrbntpc @DKMATHS-it8nx

Shabana wants to put lace border all around a table cover 3m long and 2m wide. What is lengthof lace

Ifsinθ + cosθ = √3cosθ, then the valueof cotθ is

A man walking at 3km/hr crosses a square field diagonally in 2minutes.The area of field is(sq.m)

If 𝑨 + 𝑩 = 𝑪, then 𝒕𝒂𝒏 𝑨 𝒕𝒂𝒏 𝑩 𝒕𝒂𝒏 𝑪 =?#ssccgl #trigonometry #rrbntpc