Simple Equations (IMO- Mathematics Olympiad Class 7): Questions 18 - 23 of 83

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Question number: 18

» Simple Equations

MCQ▾

Question

If two supplementary angles differ by Equation , then one of the angle is ________.

Choices

Choice (4) Response

a.

128°

b.

Equation

c.

Equation

d.

Equation

Question number: 19

» Simple Equations

MCQ▾

Question

If two supplementary angles differ by Equation , then one of the angle is ________.

Choices

Choice (4) Response

a.

105°

b.

115°

c.

Equation

d.

Equation

Question number: 20

» Simple Equations

MCQ▾

Question

In a group of animal and birds, in addition to 15 dogs there are 9 cows and 4 peacocks with some parrot. If the total number of feet be 86 more than the number of heads, Find the number of parrots.

Choices

Choice (4) Response

a.

10

b.

20

c.

12

d.

23

Question number: 21

» Simple Equations

MCQ▾

Question

John was asked to multiply a number by 14. He instead multiplied the number by 41 and got the answer 378 more than the correct answer. The number to be multiplied was ________.

Choices

Choice (4) Response

a.

42

b.

14

c.

12

d.

15

Question number: 22

» Simple Equations

MCQ▾

Question

Ravi has to secure Equation marks to pass. He got 68 marks and failed by 44 marks. The maximum marks are ________.

Choices

Choice (4) Response

a.

300

b.

250

c.

200

d.

450

Question number: 23

» Simple Equations

MCQ▾

Question

In two- digit number, ten’s digit is twice the unit’s digit. The number formed by interchanging the digits is 36 less than the original number. The original number is ________

Choices

Choice (4) Response

a.

48

b.

70

c.

72

d.

84

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