New Learning Composite Mathematics SK Gupta Anubhuti Gangal Class 7 Rational Numbers Self Practice 3E Solution
Multiply:
(1) (a) 2/3 x 6
(b) 37/-10 x 5
(c) 3~1/21 x (-7)
(d) -6~1/9 x -18
(e) 3~8/-15
(f) 1~7/39 x -91
(g) -6~9/50 x -10
(h) -8~11/95 x 38
SOLUTION:
(2) (a) -5/8 x 4/9
(b) -2/3 x -7/11
(c) -63/-16 x -16/9
(d) -48/5 x -20/9
(3) (a) 13/15 x -16/19 x 19/13
(b) -21/80 x 16/-63 x -15/17
SOLUTION:
(4) (a) 2~1/9 x -2~1/4
(b) -3~5/6 x 7/-9
(c) -11~1/5 x -1~1/8
(d) -11~1/4 x 1~1/7
(e) 3~1/5 x -1~7/8
(f) -6~9/11 x -1~7/15
(g) -7~2/19 x 5~1/15
(5) (a) -15 x (-1~1/2) x 1~7/20
(b_ -1~1/4 x (-1~1/2) x (-1~3/5)
SOLUTION:
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