Mental Ability-Basic Arithmetic (NCO- Cyber Olympiad Class 6): Questions 208 - 212 of 268

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Question number: 208

» Mental Ability » Basic Arithmetic

MCQ▾

Question

Which of the following shows the prime factorization of 84?

Choices

Choice (4) Response

a.

2×3×3

b.

5×7×11

c.

2×2×3×7

d.

2×3×5×7

Question number: 209

» Mental Ability » Basic Arithmetic

MCQ▾

Question

Mahi’s heart rate is 72 beats per minute. Then her heart rate is about how many beats in a hour?

Choices

Choice (4) Response

a.

4320 bph

b.

2350 bph

c.

2160 bph

d.

4860 bph

Question number: 210

» Mental Ability » Basic Arithmetic

MCQ▾

Question

Shusanth was trying to add 35to23 . He followed the steps shown in below table. Where did he make a mistake?

Table showing the addition of two fractions

Showing the table of steps of addition of two fractions and find the step that shows mistake

35+23

Step 1

915+1015

Step 2

1915

Step 3

1315

Step 4

115

Choices

Choice (4) Response

a.

Step 1

b.

Step 4

c.

Step 2

d.

Step 3

Question number: 211

» Mental Ability » Basic Arithmetic

MCQ▾

Question

Anil painted 35 of a wall the first day and 27 of the wall the second day. How much of the wall is remained to paint?

Choices

Choice (4) Response

a.

435

b.

635

c.

354

d.

1235

Question number: 212

» Mental Ability » Basic Arithmetic

MCQ▾

Question

Harsh was trying to multiply 16and45 . He followed the steps shown in below table. Where did he make a mistake?

Table showing the multiplication of two fractions

Showing the table of steps of multiplication of two fractions and find the step that shows mistake

16×45

Step 1

1+46×5

Step 2

530

Step 3

16

Choices

Choice (4) Response

a.

Step 1

b.

Step 2

c.

Step 3

d.

Step 4

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