STANDARD 7TH MATH CHAPTER 3 HCF & LCM PRACTICE SET NO 14 SSC BOARD MAHARASHTRA BOARD FULL LECTUR

Which of the following sentences are statement ? Justify your answer : (1) sqrt(5) is a rational number. (2)it is a cold day today. (3)The product of 8 and 2 is 16. (4)how many teachers are there in your school ? (5)the sum of interior angles of a quadrilateral is 360^@ . (6)go to your room. (7)15 is smaller than 12. (8)there are 7 days in a week. (9)the earth revolves around the sun. (10) 16 has two prime factros. (11) the H.C.F. of 15 and 20 is 16. (12)the L.C.M. of 8 and 12 is 24. (13) the three sides of equilateral triangle are equal. (14) New Delhi is the capital of india. (15) six is a prime number. (16) it was Saturday yesterday. (17) the least natural number is one. (18) maths is an easy subject.