Math BODMAS HCF LCM - YLB Online Educational Forum

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1. 12- [20 ÷{8-2(9-5-2)}]

A.None of them

B.8

C.7

D.3

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

A.675

B.None of them

C.637

D.543

3. 18-3+33of3÷99-1

A.15

B.None of them

C.14

D.2.5

4. [{64-(12+13)}÷3]+15

A.87

B.34

C.None of them

D.28

5. 80+[20 x { 20-(10 ÷5) }]

A.None of them

B.770

C.551

D.440

6. Which two fractions are equivalent?

A.1/4 and 2/4

B.4/3 and 8/6

C.5/2 and 2/5

D.None of them

7. 15-[16-{12+21÷(9-2)}]

A.None of them

B.21

C.11

D.14

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

A.870

B.443

C.480

D.None of them

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

A.None of them

B.44778

C.33480

D.22167

10. 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.1/4

C.3/4

D.None of them

11. 5 x 50 +57 -57 ÷ 57

A.654

B.404

C.306

D.None of them

12. Find HCF 78, 52, 23

A.4

B.3

C.1

D.None of them

13. Find the Least Common Multiple (LCM) 45.90.15

A.80

B.None of them

C.90

D.70

14. 3 [3 + 3 {42 – 2 (13 +3)}]

A.None of them

B.99

C.88

D.55

15. Find HCF 84, 96, 63

A.None of them

B.3

C.9

D.2

16. 4+4+4+4 ÷ 4

A.13

B.12

C.None of them

D.25

17. Find HCF 154, 87

A.1

B.2

C.None of them

D.8

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

A.3278

B.1092

C.None of them

D.3589

19. Find HCF 96, 54, 75

A.None of them

B.0

C.3

D.8

20. 7614 +832 x 48 ÷ 16- 8

A.6755

B.None of them

C.10102

D.10343