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GREEN LAND SCHOOL OSMANABAD, Ist Term Exam, 2021-22, th, STD- 7, SUBJECT : Maths, Marks :- 50, Name Of the student :- _________________________________________ _Date :-25/10/2021, Q.1 Write down a pair of integers whose, 2M, 1) Sum of is -7, , 2) Difference is -10, , 3) Sum is 0, , 4) Difference is 5, , B] Use the sign of > , < , or = in the box and complete it, , 2M, , 1) ( -8 ) + (- 4) ____ ( -8 ) + ( -4), , 2) ( -3 ) + 7 -(19) ____ 15 – 8 + ( - 9), , 3) 23 – 41 + 11, , 4) 39 + ( -24 ) – ( 15 ) _____ 36 + ( -52 ) – ( -36 ), , ____ 23 – 41 – 11, , C] Find the product using suitable properties, 1) 26 x ( -48 ) + ( -48 ) x ( -36 ), , 3M, , 2) 15 x ( -25 ) x ( -4 ) x ( -10 ), , 3) 625 x ( -35 ) + ( -625 ) x 65, D] Evaluate each of the following, 1) ( -30 ) ÷ 10, , 2M, , 2) 50 ÷ ( -5 ), , 3) ( -36 ) ÷ ( -9 ), , 4) ( -49 ) ÷ ( 49 ), , Q.2 Solve, 7, , 1), , 10, , 3M, 2, , +, , 5, , +, , 3, , 2) 2, , 2, , 2, 3, , + 3, , 1, , 3) 8, , 2, , 1, , −3, , 2, , 5, 8, , B] Find, 3, , 1), , 4, , 2M, , of 16, , 4, , 2), , 5, , of 20, , 2, , 3), , 3, , of 18, , 4), , 1, 2, , of 46, , C] Multiply & Express as a mixed fraction, 1) 3 x 5, , 1, , 2) 5 x 6, , 5, , 3, , 3) 7 x 2, , 4, , 3M, , 1, 4, , D] Do it, 1), , 2, 5, , ÷, , 2M, 1, 2, , 2), , 4, 9, , ÷, , 2, , 3), , 3, , 3, 7, , ÷, , 8, , 4) 2, , 7, , 1, 3, , ÷, , 3, 5, , Q.3 Express, , 2M, , 1) 7 paise ___________ Rs., , 2) 35 mm ___________ Cm, , 3) 200 g ___________ Kg, , 4) 4 kg 8 g ___________ gm, , B] Given the following fractions as decimal correct to 3 decimal places, 1), , 1, , 2), , 6, , 3, 11, , 3), , 7, , 4), , 11, , 2M, , 8, 55, , C] Simplify, 1), , 11, 18, , x ( -9) +, , 3M, −3, 4, , x, , 5, 6, , Q.4 Complete the table, , 2) (, , 26, 9, , 3, , 13, , 7, , 14, , x )- (, , x, , −2, 3, , ), , 3) (-, , 3, 2, , 4, , 9, , 5, , 5, , x )+(, , x, , −10, 3, , )−(, , 1, 2, , x, , 3, 4, , ), 2M
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Q.6 Find the value of, 1) 20 % of 650, , 1½ M, 2) 140 % of 75, , 3) 25 % of, , 1, 8, , B] Find the S.P when, , 2M, 1, , 1) C.P = Rs. 20 gain = 10%, , 2) C.P = Rs. 12.50 loss = 13 %, 3, , C] Find the number whose, , 2M, 2, , 1) 14% is 28, D] Solve word problem, , 2) 16 % is 3, 3, , ( any 5 ), , 10M, , 1) Anil bought a second hand scooter for Rs. 7500 & spent Rs. 500 on its repairs . Then, he sold it to Deepak ar loss of 12% what is Anils loss ?, 2) Anwar sold two washing machines at Rs. 12,000 each , on one he gain 25% & on the, other he loses 25% how much does he gain or loss in the whose transaction ?, 3) I brought a washing machine for Rs. 7500 & spent Rs. 500 on its cartage Due to some, circumstances , I was compelled t sell it for Rs. 6000 find my loss percent, 4) From a basket full of eggs 20% of the eggs broke 25% of the eggs were reserved for, the guests . The remaining 22 eggs were there in the basket ? How many broke & How, many were kept for the guests, 5) The speed of a train is 110 km / hr . it is increased by 230% Find the new speed of the, train . b) If the second speed is decreased by 10% what would be the new speed ?, 6) A man buys balloons 3 for a rupee & Sells them at 2 for a rupee find his gain percent .