IMO- Mathematics Olympiad Class 7: Questions 380 - 385 of 965

Get 1 year subscription: Access detailed explanations (illustrated with images and videos) to 965 questions. Access all new questions we will add tracking exam-pattern and syllabus changes. View Sample Explanation or View Features.

Rs. 450.00 or

Question number: 380

» Algebraic Expressions

MCQ▾

Question

The product of (4p53)&(5p86) is ________.

Choices

Choice (4) Response

a.

p2226740p18

b.

p2226740p+18

c.

p22+26740p+18

d.

p22+26740p18

Question number: 381

» Algebraic Expressions

MCQ▾

Question

Addition of a22+b23c35,a23+5b22+3c35anda2+b2c3 is________.

Choices

Choice (4) Response

a.

116a2236b2+25c3

b.

116a225b2+236c3

c.

116a2+236b225c3

d.

116a2+25b2236c3

Question number: 382

» Comparing Quantities

MCQ▾

Question

When a number is reduced by 4, it becomes 80 % of itself. Find the number.

Choices

Choice (4) Response

a.

40

b.

30

c.

50

d.

20

Question number: 383

» Comparing Quantities

MCQ▾

Question

A man purchased a bag of tea containing 30 kg for Rs. 345. He sold it at the rate of Rs. 13.75 per kg. Then the profit or loss in % is ________.

Choices

Choice (4) Response

a.

21.13 % loss

b.

21.13 % gain

c.

19.57 % loss

d.

19.57 % gain

Question number: 384

» Algebraic Expressions

MCQ▾

Question

Addition of a22+b33c34,2a23+3b344c35anda2+b3+c3 is________.

Choices

Choice (4) Response

a.

136a2120b3+2512c3

b.

136a+2512b3120c3

c.

136a22512b3+120c3

d.

136a2+2512b3120c3

Question number: 385

» Exponents and Powers

MCQ▾

Question

By what number should (15)1 be divided so that the quotient is (5)1 ?

Choices

Choice (4) Response

a.

31

b.

2

c.

3

d.

21

Sign In