Math BODMAS HCF LCM - YLB Online Educational Forum

1. Find HCF 154, 87

A.2

B.1

C.None of them

D.8

2. Find HCF 84, 96, 63

A.3

B.None of them

C.9

D.2

3. Find HCF 78, 52, 23

A.None of them

B.4

C.1

D.3

4. 5 x 50 +57 -57 ÷ 57

A.404

B.654

C.306

D.None of them

5. Find the Least Common Multiple (LCM) 91,49,7

A.None of them

B.637

C.675

D.543

6. Find the Least Common Multiple (LCM) 45.90.15

A.70

B.None of them

C.80

D.90

7. It takes Julia 1/2 hour to wash, comb her hair and put on her clothes, and 1/4 hour to have her breakfast. How much time does it take Julia to be ready for school?]

A.None of them

B.3/4

C.1/3

D.1/4

8. 4+4+4+4 ÷ 4

A.13

B.25

C.12

D.None of them

9. 12- [20 ÷{8-2(9-5-2)}]

A.8

B.7

C.None of them

D.3

10. Find HCF 96, 54, 75

A.8

B.None of them

C.0

D.3

11. 3 [3 + 3 {42 – 2 (13 +3)}]

A.99

B.55

C.None of them

D.88

12. 7614 +832 x 48 ÷ 16- 8

A.10343

B.None of them

C.10102

D.6755

13. Find the Least Common Multiple (LCM) 40,54,62

A.None of them

B.33480

C.22167

D.44778

14. 80+[20 x { 20-(10 ÷5) }]

A.440

B.551

C.None of them

D.770

15. Find the Least Common Multiple (LCM) 12,84,91

A.3589

B.3278

C.None of them

D.1092

16. Which two fractions are equivalent?

A.5/2 and 2/5

B.4/3 and 8/6

C.1/4 and 2/4

D.None of them

17. [{64-(12+13)}÷3]+15

A.None of them

B.34

C.28

D.87

18. 15-[16-{12+21÷(9-2)}]

A.21

B.None of them

C.14

D.11

19. Find the Least Common Multiple (LCM) 12,32,40

A.None of them

B.870

C.480

D.443

20. 18-3+33of3÷99-1

A.2.5

B.14

C.None of them

D.15