Math BODMAS HCF LCM - YLB Online Educational Forum

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

A.44778

B.33480

C.None of them

D.22167

2. [{64-(12+13)}÷3]+15

A.None of them

B.87

C.28

D.34

3. Find HCF 84, 96, 63

A.9

B.None of them

C.3

D.2

4. Find HCF 154, 87

A.1

B.8

C.2

D.None of them

5. 18-3+33of3÷99-1

A.None of them

B.2.5

C.14

D.15

6. Find the Least Common Multiple (LCM) 45.90.15

A.90

B.80

C.70

D.None of them

7. Find HCF 78, 52, 23

A.4

B.1

C.None of them

D.3

8. Which two fractions are equivalent?

A.5/2 and 2/5

B.1/4 and 2/4

C.None of them

D.4/3 and 8/6

9. 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.1/3

B.None of them

C.1/4

D.3/4

10. 5 x 50 +57 -57 ÷ 57

A.654

B.306

C.404

D.None of them

11. 15-[16-{12+21÷(9-2)}]

A.None of them

B.11

C.14

D.21

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

A.675

B.543

C.None of them

D.637

13. 80+[20 x { 20-(10 ÷5) }]

A.440

B.551

C.770

D.None of them

14. 7614 +832 x 48 ÷ 16- 8

A.None of them

B.6755

C.10102

D.10343

15. 4+4+4+4 ÷ 4

A.25

B.12

C.13

D.None of them

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

A.480

B.443

C.None of them

D.870

17. 12- [20 ÷{8-2(9-5-2)}]

A.8

B.3

C.None of them

D.7

18. Find HCF 96, 54, 75

A.0

B.None of them

C.8

D.3

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

A.None of them

B.3278

C.1092

D.3589

20. 3 [3 + 3 {42 – 2 (13 +3)}]

A.55

B.99

C.88

D.None of them