IMO- Mathematics Olympiad Class 10: Questions 71 - 77 of 889

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Question number: 71

» Real Numbers

MCQ▾

Question

Sum of squares of the two consecutive natural numbers is 113. The two consecutive numbers respectively________

Choices

Choice (4) Response

a.

1 and 2

b.

3 and 4

c.

7 and 8

d.

4 and 5

Question number: 72

» Real Numbers

MCQ▾

Question

The product of two consecutive natural numbers is always ________

Choices

Choice (4) Response

a.

A prime number

b.

An odd number

c.

Divisible by 3

d.

An even number

Question number: 73

» Real Numbers

MCQ▾

Question

If m=cabab , then b equals________

Choices

Choice (4) Response

a.

cabmam

b.

m(ab)ca

c.

1a+c

d.

mam+ca

Question number: 74

» Real Numbers

MCQ▾

Question

Rationalizing factor of 20a is ________

Choices

Choice (4) Response

a.

20aa

b.

20aa

c.

20a

d.

10aa

Question number: 75

» Real Numbers

MCQ▾

Question

A circular field has a circumference of 600 km. Two cyclists Sumeet and Samrat start together and can cycle at speeds of 15 km/hr and 20 km/hr respectively round the circular field. After how many hours will they meet again at the starting point?

Choices

Choice (4) Response

a.

160 hrs

b.

90 hrs

c.

100 hrs

d.

120 hrs

Question number: 76

» Real Numbers

MCQ▾

Question

2917+13+20 is equal to ________

Choices

Choice (4) Response

a.

7+13257

b.

7135

c.

12+135

d.

7+1325

Question number: 77

» Real Numbers

MCQ▾

Question

H.C.Fof(10224,1608)is ________

Choices

Choice (4) Response

a.

48

b.

24

c.

96

d.

12

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