Math BODMAS HCF LCM - YLB Online Educational Forum

Write Your Name & City Here:

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

A.None of them

B.1092

C.3278

D.3589

2. 15-[16-{12+21÷(9-2)}]

A.21

B.11

C.14

D.None of them

3. Find HCF 96, 54, 75

A.0

B.3

C.8

D.None of them

4. Find HCF 78, 52, 23

A.3

B.1

C.4

D.None of them

5. Find HCF 154, 87

A.2

B.8

C.None of them

D.1

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

A.675

B.None of them

C.543

D.637

7. [{64-(12+13)}÷3]+15

A.34

B.87

C.None of them

D.28

8. Find HCF 84, 96, 63

A.None of them

B.9

C.3

D.2

9. 3 [3 + 3 {42 – 2 (13 +3)}]

A.None of them

B.88

C.55

D.99

10. Which two fractions are equivalent?

A.5/2 and 2/5

B.None of them

C.4/3 and 8/6

D.1/4 and 2/4

11. Find the Least Common Multiple (LCM) 45.90.15

A.90

B.70

C.None of them

D.80

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

A.870

B.480

C.None of them

D.443

13. 4+4+4+4 ÷ 4

A.25

B.12

C.13

D.None of them

14. 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.3/4

B.1/3

C.None of them

D.1/4

15. 12- [20 ÷{8-2(9-5-2)}]

A.7

B.None of them

C.8

D.3

16. 5 x 50 +57 -57 ÷ 57

A.None of them

B.654

C.404

D.306

17. 80+[20 x { 20-(10 ÷5) }]

A.None of them

B.440

C.551

D.770

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

A.33480

B.None of them

C.22167

D.44778

19. 7614 +832 x 48 ÷ 16- 8

A.6755

B.10343

C.None of them

D.10102

20. 18-3+33of3÷99-1

A.15

B.2.5

C.14

D.None of them