Math BODMAS HCF LCM - YLB Online Educational Forum

1. [{64-(12+13)}÷3]+15

A.28

B.34

C.None of them

D.87

2. Find HCF 78, 52, 23

A.1

B.3

C.4

D.None of them

3. 4+4+4+4 ÷ 4

A.12

B.25

C.None of them

D.13

4. Find HCF 96, 54, 75

A.3

B.None of them

C.0

D.8

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

A.44778

B.33480

C.None of them

D.22167

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

A.870

B.None of them

C.443

D.480

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

A.1092

B.3589

C.None of them

D.3278

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

A.637

B.543

C.None of them

D.675

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.None of them

B.3/4

C.1/3

D.1/4

10. 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

11. Find HCF 154, 87

A.None of them

B.8

C.1

D.2

12. 5 x 50 +57 -57 ÷ 57

A.None of them

B.306

C.404

D.654

13. 7614 +832 x 48 ÷ 16- 8

A.6755

B.10102

C.10343

D.None of them

14. 15-[16-{12+21÷(9-2)}]

A.21

B.11

C.14

D.None of them

15. 12- [20 ÷{8-2(9-5-2)}]

A.7

B.8

C.None of them

D.3

16. 80+[20 x { 20-(10 ÷5) }]

A.440

B.None of them

C.551

D.770

17. 18-3+33of3÷99-1

A.15

B.2.5

C.14

D.None of them

18. 3 [3 + 3 {42 – 2 (13 +3)}]

A.99

B.None of them

C.55

D.88

19. Find HCF 84, 96, 63

A.2

B.3

C.None of them

D.9

20. Find the Least Common Multiple (LCM) 45.90.15

A.None of them

B.70

C.80

D.90