Mental Ability (NCO- Cyber Olympiad Class 6): Questions 289 - 295 of 394

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Question number: 289

» Mental Ability » Basic Arithmetic

MCQ▾

Question

If k = 8 and l = 16, then 3l÷62k+18=

Choices

Choice (4) Response

a.

372

b.

237

c.

36

d.

18

Question number: 290

» Mental Ability » Basic Arithmetic

MCQ▾

Question

The greatest common factor of 8, 12 and 20 is

Choices

Choice (4) Response

a.

4

b.

6

c.

8

d.

16

Question number: 291

» Mental Ability » Basic Arithmetic

MCQ▾

Question

Which of the following is the prime factorization of 50?

Choices

Choice (4) Response

a.

3×5×5

b.

5×3×11

c.

2×5×5

d.

2×5×7

Question number: 292

» Mental Ability » Basic Arithmetic

MCQ▾

Question

3×7×11 shows the prime factorization of which number?

Choices

Choice (4) Response

a.

115

b.

132

c.

312

d.

231

Question number: 293

» Mental Ability » Basic Arithmetic

MCQ▾

Question

Aarti was trying to subtract 23from72 . She followed the steps shown in below table. Where did she make a mistake?

Table showing the subtraction of two fractions

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

7223

Step 1

21646

Step 2

186

Step 3

31

Step 4

3

Choices

Choice (4) Response

a.

Step 2

b.

Step 3

c.

Step 4

d.

Step 1

Question number: 294

» Mental Ability » Basic Arithmetic

MCQ▾

Question

If c = 11 and d = 9, then c×d910÷3=

Choices

Choice (4) Response

a.

3

b.

5

c.

9

d.

- 3

Question number: 295

» Mental Ability » Basic Arithmetic

MCQ▾

Question

A shopkeeper sold about 22 kg of sugar in a day. About how much sugar he sold in 72 hours?

Choices

Choice (4) Response

a.

66 kg

b.

108 kg

c.

30 kg

d.

44 kg

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