Replace the letters with appropriate digits :73K`div` 8=9L.

Replace the letters with appropriate digits 51 K div 7 = 7L

Replace the letters with appropriate digits :1MN div 3 =MN

Replace the blank with an integer to make it a true statement. _____ div (-9) = 16

Find: 2div8/9

The number of 6 digited number which are not divisible 5 by that can be formed with the digits 4,5,6,7,8,9 is

Can you arrange the digits 1, 2, 3, 4, 5, 6, 7, 8, 9 in an order so that the number formed by first two digits is divisible by 2, the umber formed by first three digits is divisible by 3, the number formed by first four digits is divisible by 4 and so on upto nine digits?

If A = {0, 2, 4, 6, 7}, B = {3, 5, 7, 8} and C = {p, q, r, s}, then fill the appropriate symbol, in cancelin in the blanks. 9 ….. A

Match each of the set on the left described in the roster form with the same set on the right described in the set-builder form : (i) {P, R, I, N, C, A, L} (a) { x : x is a positive integer and is a divisor of 18} (ii) { 0 } (b) { x : x is an integer and x^(2) – 9 = 0 } (iii) {1, 2, 3, 6, 9, 18} (c) {x : x is an integer and x + 1= 1 } (iv) {3, –3} (d) {x : x is a letter of the word PRINCIPAL}

Derive an expression for the rate of flow of a liquid through a capillary tube. Assume that the rate of flow depends on (i) pressure gradient (p/l) , (ii) The radius, r and (iii) the coefficient of viscosity, eta . The value of the proportionality constant k = pi/8 .