Select the number from among the given options that can replace the question mark (?) in the following series. 

Question figure.

In a certain code language, ‘feel at home’ is coded as '424', ‘check the laundry’ is coded as '537' and ‘open the door' is coded as '434'. How will ‘the kite is flying’ be coded in that language?

The value of $${1.6×1.6×1.6−1.6×1.6×1.6}\over 1.6×1.6+1.6×1.6+1.6×1.6 $$ is

Ram starts from point A at 8 a.m. and reaches point B at 2 p.m. on the same day. On the same day, Raju starts from point B at 8 a.m. and reaches point A at 6 p.m. on the same day. Both points A and B are separated by only a straight line track. At what time they both meet?

The diameters of two circles are 12 cm and 20 cm, respectively and the distance between their centres is 16 cm. Find the number of common tangents to the circles.

Raghav purchased a shirt at Rs.1,500 and marked up the price of the shirt by 40%. What is the discount percentage he has to offer in order to get a profit of Rs.75?

If the seven-digit number 52A6B7C is divisible by 33, and A, B, C are primes, then the maximum value of 2A + 3B + C is:

If p = 8.15, q = 9.06 and r = −17.21, then the value of p³+q³+r³-3pqr