MM-20
Time-30mins
Q1 Subtract the sum of 10x-8y+12z and -16x+2y-4z from the
sum of 24x-2y+6z and -6x+10y-16z
14
Q2 Simplify:
D
15/2 - 19/4 - (5/4-%(3/2 - 1/3+1/6)
Q3 Two sides of a parallelogram are in the ratio 8:6. If its
perimeter is 112cm, find the length of the sides.
Q4 Find the perimeter of the rectangle whose area is 300sq.cm
and breadth is 12.5cm.
OS Mona's father is thrice as old as Mona. After 12 years his
age will be twice that of his daughter. Find their present ages.
Answers
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Answer:
10 x-8y + 12 z
Step-by-step explanation:
22
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