Algebra (IMO- Mathematics Olympiad Class 6): Questions 24 - 31 of 81

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Question number: 24

» Algebra

MCQ▾

Question

Ages of two siblings are in the ratio 3: 2. If the sum of their ages is 75, then their ages are respectively

Choices

Choice (4) Response

a.

30 yrs. 15 yrs.

b.

15 yrs. 30 yrs.

c.

30 yrs. 45 yrs.

d.

45 yrs. 30 yrs.

Question number: 25

» Algebra

MCQ▾

Question

If six times of a number is 48, then the number is

Choices

Choice (4) Response

a.

48

b.

- 8

c.

1

d.

8

Question number: 26

» Algebra

MCQ▾

Question

I had Rs. 350 with me. I gave Rs. 2x to Shalini, Rs. x2 to Jaimin and I am left with Rs. 5x2 . The amount left with me is

Choices

Choice (4) Response

a.

Rs. 155

b.

Rs. 175

c.

Rs. 135

d.

Rs. 150

Question number: 27

» Algebra

MCQ▾

Question

To get the value of ‘b’, ________ to be multiplied on either side of equation b3=19 .

Choices

Choice (4) Response

a.

+ 3

b.

+ 19

c.

0

d.

- 3

Question number: 28

» Algebra

MCQ▾

Question

In 6(2a1)+8=14 , the value of ‘a’ is

Choices

Choice (4) Response

a.

- 1

b.

410

c.

3112

d.

+1

Question number: 29

» Algebra

MCQ▾

Question

The number of women in an office is 2 times the number of men. Which of the following cannot be the total number of employees in the class?

Choices

Choice (4) Response

a.

18

b.

30

c.

26

d.

36

Question number: 30

» Algebra

MCQ▾

Question

I had Rs. 200 with me. I gave Rs. x to Anwar, Rs. x2 to Vidhu and I am left with Rs. x2 . The amount I gave to Vidhu is

Choices

Choice (4) Response

a.

Rs. 15

b.

Rs. 50

c.

Rs. 30

d.

Rs. 40

Question number: 31

» Algebra

MCQ▾

Question

In the given figure magnitude of angles shown are

Arc c Arc c: Semicircle through E and FArc d Arc d: Semicircle through G and HSegment f Segment f: Segment [A, B] Segment g Segment g: Segment [C, D] Point A A = (4.26, 2.69) Point A A = (4.26, 2.69) Point A A = (4.26, 2.69) Point B B = (10.92, 2.71) Point B B = (10.92, 2.71) Point B B = (10.92, 2.71) Point D D = (4.67, 5.34) Point D D = (4.67, 5.34) Point D D = (4.67, 5.34) x? text1 = “x? “3x? text1_1 = “3x? “

Image Made by Two Lines Making Two Angles

Showing an image made by two lines making two angles, then find both angles

Choices

Choice (4) Response

a.

450,1350

b.

500,1500

c.

300,900

d.

400,1200

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