CBSE Sample Paper 2021 Class 7 Mathematics Half Yearly
Half Yearly Examination (2020-21)
Time: 2:30 Hours
Maximum Marks: 80
All questions are compulsory.
1- Very short answer type questions:-(1 x 10 = 10)
i) Express 56/88 in standard form.
ii) Which is greater: (-8/13 and 6/11)
iii) Standard unit of length is________
iv) Convert 125/500 into decimal.
v) Simplify:( ¾)3 × (3/4)4
vi) Is 5, 6, 10, 12 in proportion.
vii) Identify the numerical co-efficient of term 2a2+4b
viii) Can two acute angles be supplementary?
ix) Convert: 5.7kg into gm.
x) Write whole and decimal part of 123.45
2- Short answer type questions:-(2 x 10 = 20)
i) Compare the ratio 9:10 and 10:11
ii) Write two equivalent fraction of -4/9.
iii) Subtract 235.532 from 657.756.
iv) Find: 74÷72.
v) Convert -64/125 in power notation.
vi) Add:-5x3+7y3+6x2 y2 , -7x3-8y3+5x 2y2, 6x3-8y3-7x2y2
vii) Find the ratio of 40 minutes to 1 hour.
viii) Find the whole if 45% of it is 9km.
ix) Find the complement angle of 660.
x) If Akhil bought a bat for 1000 and sell it for Rs.1250. Find it profit or loss?
3- Long Questions:-(3 x 10 = 30)
i) Arrange -5/8, -3/11, 4/9, -6/7 in ascending order.
ii) Solve: x/6+5= x/3+x/4
iii) The cost of two dozen of banana is 154.80.What will be cost of one banana?
iv) If a=5 and b=6 then find the value of 5a2b+8a.
v) What should we added to 5x2+7xy+9y2 to obtain 9x2+17xy+19y2.
vi) If 2, 4, and 12 are in proportion, find the fourth term.
vii) Solve: (50 ÷70)+(100-90)
viii) Find the interest and amount if principal = 8000 for 4 year at 6% per annum.
ix) Rohit bought a bicycle for 1750 and sold it for Rs.1400. Find the profit or loss%?
x) The sum of two consecutive numbers is 59.Find the numbers.
4- Long answers type questions:- (3 x 5 = 15)
i) How long will it take for 5000 to become double the amount at the interest rate of 10%.
ii) Find the complementary angles, so that the measures of one angle is 100 less than the other angle.
iii) 15 monkeys eat 45 bananas in a day. How many bananas are needed to feed 12 monkeys.
5- Fill in the blanks:(1 x 5 = 5)
i) The sum of two supplementary angles is __________.
ii) To change from a smaller unit into larger unit we__________.
iii) Amount = principal + __________.
iv) The sum of linear pair is __________.
v) 54 ÷10 = __________.