Select the option that is related to the fifth letter-cluster in the same way as the second letter-cluster is related to the first letter cluster and the fourth letter-cluster is related to the third letter-cluster.
 GAIN : HBKP :: ACHE : BDJG :: CAKE : ?

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

LE, OJ, UO, DT,?

If (x+20)% of 250 is 25% more than x% of 220, then 10% of (x + 50) is what per cent less than 15% of x?

In a certain code language, 'INBOX’ is written as 'MRYCL' and 'EMAIL' is written as 'NVZOR'. How will 'DRAFT' be written in that language?

A certain sum amounts to ₹15,500 in 2 years at 12% p.a. simple interest. The same sum will amount to what in$$1{1\over 2}$$ years at 10% p.a., if the interest is compounded half yearly (nearest to ₹1)?

Pipes A and B can fill a tank in 43.2 minutes and 108 minutes, respectively. Pipe C can empty it at 3 litres/minute. When all the three pipes are opened together, they fill the tank in 54 minutes. The capacity (in litres) of the tank is:

The value of Let $$\left({\sqrt {1875}\over\sqrt { 3888}}÷{\sqrt {1200}\over\sqrt {768}} \right)\ × \left({\sqrt {175}\over\sqrt {1792}} \right)\ $$. Then $$ \sqrt { x}$$ is equal to:

Three different positions of the same dice are shown. find the number on the face opposite the face showing '5'.