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WISDOM MATRICULATION SCHOOL, CLASS: VII, , QUARTERLY EXAMINATION, , MARKS: 60, , MATHEMATICS, I.Choose the Correct Answer:, , [5x1=5], , 1.) (-10)+(+7)=_______, (a) +3, , (b) -3, , (c) -17, , (d) +17, , 2.) (-5)-(-18)=________, (a) 23, , (b) -13, , (c)13, , (d)-23, , 3.) 11x(-1)=________, (a) -1, , (b) 0, , (c) +1, , (d) -11, , 4.)The set of integers is not closed under ________, (a) Addition, , (b) Subtraction, , (c) Multiplication, , (d) Division, , 5.)The perimeter of a parallelogram whose adjacent sides 6cm and 5cm is ________, (a) 12 cm, , (b) 10 cm, , (c) 24cm (d) 22cm, , II.Fill in the Blanks:, , [5x1=5], , 6.) 20+80+______=0, 7.) 25+______=-5, 8.) -80x______=-80, 9.)The variable in the expression 16x-9 is _______, 10.)The numerical co-efficient of the term –xy is _______, III.Say True or False:, , [5X1=5], , 11.)The additive inverse of (-32) is (-32), 12.) 15-(-18) is the same as 15+18, 13.) 8x(-4)=32, 14.) 2pq and -7qp are like terms, 15.) When y=-1, the value of the expression 2y-1 is 3, IV.Answer any 10 Questions:, 16.)Find 5 pairs of integers that add up to 2., 17.)Find the value of -200-(+100), , [10x2=20]

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18.)Find the product of (-2)x(-50)x(-25)x4, 19.)The product of two integers is -135.If one number is -15, Find the other integer., 20.) Buddha was born in 563 BC(BCE) and died in 483 BC(BCE). Was he alive in 500 BC(BCE)?, and find his life time.(source: Compton’s Encyclopedia), 21.) Subtract 94860 from (-86945), 22.) Find the area of a rhombus whose base 14cm and height is 9cm., 23.)The base of the parallelogram is 16cm and the height is 7cm less than its base. Find the area of the, parallelogram, 24.)Find the area of a trapezium whose parallel sides are 24cm and 20cm and the distance between, them is 15cm, 25.) If x=2 and y=3, then find the value of 4y-x, 26.) Find the variables , constants and terms of 7p-4q+5, V. Answer any 5 Questions: (Q.No.31 is Compulsory) [5x5=25], 27.)Check the following for equality and if they are equal, mention the property., 1.) (8-13)x7 and 8-(13x7) 2.) 3x[(-4)+(-10)] and [3x(-4)+3x(-10)], 28.)Find the amount that is left in the student’s bank account, if he has made the following, transaction in a month. His initial balance is Rs. 690., 1.) Deposit(+) of Rs 485, 2.) Withdrawal (-) of Rs 500, 29.) A sweet is in the shape of rhombus whose diagonals are given as 4cm and 5cm. The surface, of the sweet should be covered by an aluminium foil.Find the cost of aluminium foil used for, 400 such sweets at the rate of Rs 7 per 100 sq.cm., 30.)The area of a trapezium is 180 sq.cm and its height is 9cm.If one of the parallel sides is longer, than the other by 6cm, find the length of the parallel sides., 31.)The area of the rhombus is 576 sq.cm and the length of one of its diagonal is half of the length, of the other diagonal then find the length of the diagonals., 32.)Identify the like terms among the following:7x,5y,-8x,12y,6z,z,-12x,-9y,11z..