A is 40% more efficient than B. How much time will both, working together, take to finish the work, which B alone can finish in 36 days?

if 2sinθ + 2sin²θ = 2, then the value of 2 cos⁴θ + 2cos²θ is:

Select the option that represents the correct order of the given words as they would appear in an English dictionary.

1. Kinglet
 2. Kingship
 3. Kingdom
 4. Kinsfolk
 5. Kingly

Area of the floor of a cubical room is 64 m². The length of the longest rod that can be kept in the room is:

Select the correct mirror image of the given combination when the mirror is head at the right side of the image. 

Question figure.

Which letter-cluster will replace the question mark (?) to complete the given series?

LMR, PUA, TCJ, XKS, ?

Select the odd group of numbers. (NOTE: Operations should be performed on the whole numbers, without breaking down the numbers into its constituent digits. E.g.13 – Operations on 13 such as adding /subtracting /multiplying etc. to 13 can be performed. Breaking down 13 into 1 and 3 and then performing mathematical operations on 1 and 3 is not allowed)

Which letter-cluster will replace the question mark (?) to complete the given series?

MBTN, KCSP, IDRR, ?, EFPV