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Mathematics, 23.02.2021 18:40 Coinda
Q1. Find the the LCM of 21, 28, 26, 45.
Q2. Find the HCF by long division method 72, 108, 180.
Q3. Find the the least five digit number exactly divisible by 20, 25, 30.
Q4. Find the the largest number which divides 630 and 940 leaving remainder 6 and 4
respectively.
Q5. Subtract:. -210 from -160
Q6. Largest negative integer is and smallest positive integer is .
Q7. Simplify: (-145) + 79 + (-265) + (-41) + 2
Q8. Predecessor of -101 is and successor of -9 is .
Q9. Write in ascending order: 0.6, 6.6, 6.06, 66.6, 0.06
Q10. Convert into a fraction in its simplest form: a) 0.48 b) 7.004
Q11. Convert into decimals: a) 1589/100 b) 29/25 c) 7/8 d) 88/1000
Q12. Using decimals, express:
a) 3 km 6 m into kilometres b) 9 rupees 8 paise into rupees c) 15 metre 4 cm into metres.
Q13. Add: 14 + 0.38 + 118.573 + 6.84
Q14. How much should be decreased from 94.5 to get 4.59?
Q15. Find the cost of fencing a square park of side 215 m. at the rate of 50 rupees per metre.
Q16. Monica runs around a rectangular park 3 times. The dimensions of the park is 250 m
by 135 m. Find the total distance travelled by her.
Q17. Find the width of a cardboard if its length is 7 cm and area is 42 sq cm.
Q18. Gopal has to cover the floor of a room 4 m long and 3 m wide by squared tiles. Each
square tile has its side of 0.5 metre. Find the number of tiles required to cover the floor
of that room.
Q19. a) Draw a line segment PQ = 4.5 cm and then draw its perpendicular bisector.
b) Draw an angle of 115 degree and bisect it using compasses.
Q20. Draw the following angles using ruler and compasses and label them properly:
a) 120 degree b) 90 degree c)135 degree
d) 150 degree e) 105 degree f)75 degree​
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You know the right answer?
Q1. Find the the LCM of 21, 28, 26, 45.
Q2. Find the HCF by long division method 72, 108, 180.
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