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Selecting at least 3 black balls from a set of 6 black balls in total selection of 5 balls can be 3 black and 2 white balls 4 black and 1 white balls 5 black and 0 white balls Therefore, our solution expression looks 6C3 × 3C2 + 6C4 × 3C1 + 6C5 × 3C0 = 20 × 3 + 15 × 3 + 6 × 1 = 60 + 45 + 6 = 111 ways
In a certain code language, 'BEHOLD’ is written as 'BDEHLO' and 'INDEED' is written as 'DDEEIN'. How will 'COURSE' be written in that language?
In the following question, a group of letters is given. The letters of each group are related with the letters of the same group by some Logic/Rule/Rel...
In a certain code language, ‘CIRCLE’ is written as ‘DLWAHY’. How will ‘SQUARE’ be written in that language?
In a code language, SHOT is coded as 3881540. How will WINE be coded in that language?
In a certain code language, 6219 means ‘Sachin is a cricketer’ and 2646 means ‘He played from Mumbai’. Which of the following is...
Among given word pairs, three bear a certain common relationship. Choose the pair in which the words are differently related.
If in a certain language A is coded as 1, B is coded as 2. C is coded as 3, and so on, how is BIDDIC coded in that language?
If PLANT is coded as SODQW, then MOUNTAIN will be coded as:
If in a certain code, ‘BRIDGE’ is written as ‘ACQSHJCEFHDF’, what is the code of POWER?
In a certain code language, ‘CROWD’ is coded as 23415924 and ‘TRHICK’ is coded as 162491997. How will ‘FRUGAL’ be co...