IMO- Mathematics Olympiad Class 7: Questions 236 - 241 of 1012

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Question number: 236

» Simple Equations

MCQ▾

Question

Rutvik was asked to multiply a number by 19. He instead multiplied the number by 91 and got the answer 3456 more than the correct answer. The number to be multiplied was ________.

Choices

Choice (4) Response

a.

48

b.

3

c.

45

d.

42

Question number: 237

» Simple Equations

MCQ▾

Question

The subtraction of 5 consecutive integers is 86. Then the greatest among them is ________.

Choices

Choice (4) Response

a.

-19

b.

-16

c.

-28

d.

-23

Question number: 238

» Simple Equations

MCQ▾

Question

In a family, the father took 16 of the cake and he had 2 times as much as each of the other members had. The total number of family members is ________.

Choices

Choice (4) Response

a.

13

b.

11

c.

12

d.

10

Question number: 239

» Simple Equations

MCQ▾

Question

One and half of Nisha’s marks in Gujarati exceed a one fourth of his marks in Science by 10. If he got 50 marks in the two subjects together, how many marks did he get in Gujarati?

Choices

Choice (4) Response

a.

20

b.

40

c.

30

d.

10

Question number: 240

» Simple Equations

MCQ▾

Question

An employer pays Rs. 30 for each day a worker work, and deducts Rs. 5 for each day he is idle. At the end of 50 days, a worker gets Rs. 450. For how many days did the worker remain idle?

Choices

Choice (4) Response

a.

45

b.

28

c.

30

d.

40

Question number: 241

» Algebraic Expressions

MCQ▾

Question

If (x+Y+Z)3=(y+zx)3+(z+xy)3+(x+yz)3+kxyz find the numerical value of k. Deduce the following result.

If a=2015 , b=2014 , c=12014

(a+b+c)3(a+bc3)(b+ca)3(c+a+b)323abc=?

Choices

Choice (4) Response

a.

2014

b.

2015

c.

2010

d.

2013

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