Selina Concise Class 6 Math Chapter 16 Fundamental Concepts Exercise 16A Solution
EXERCISE 16A
(1) Express each of the following statements in algebraic form:
(i) 8 + x = y
Contents
(ii) x – 5 = y
(iii) 2 + x > y
(iv) x + y < 24
(v) 15 × m = 3n
(vi) 8 × y = 3x
(vii) 30/b = p
(viii) z – 3y = y
(ix) 12 × x = 5z
(x) 12 × x > 5z
(xi) 12 × x < 5z
(xii) 45 – 3z = y
(xiii) 8x/y = 2z
(xiv) 5x – 7y = 8z
(xv) 7y – 5x = 8z
(2) For each of the following algebraic expressions, write a suitable statement in words:
(i) The sum of 3xs and 8 is equal to 15.
(ii) 7 is decreased by y is greater than x.
(iii) 2y is decreased by x is less than 12.
(iv) 5 is divided by z is given 5.
(v) The sum of a and 2b is greater than 18.
(vi) The difference between 2x from 3y is equal to 16.
(vii) 3a decreased by 4b is greater than 14.
(viii) The sum of b and 7a is less than 21.
(ix) x is subtracted from the sum of 16 and 2a is less than 25.
(x) y is subtracted from the sum of 3x and 12 is less than 3a.