Knowing our Numbers Test

Result

Knowing our Numbers Test - 26

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Weekly Quiz Competition

Question 1
1 / -0

The largest $$5$$- digit number having three different digits is

A
$$98978$$

B
$$99897$$

C
$$99987$$

D
$$98799$$

Solution

We have to use $$3$$ different digits for making largest $$5$$ digit number.
So, we will use $$3$$ highest digits, i.e $$9,8,7$$
For, $$5$$ digits number we have to use one of these number $$3$$ times.
So, we will use $$9$$ three times.
$$\therefore$$ The largest $$5$$ digit number with three different digits is only $$99987$$
Hence, option $$C$$ is correct
Question 2
1 / -0

The smallest $$4-$$ digit number having three different digits is

A
$$1102$$

B
$$1012$$

C
$$1020$$

D
$$1002$$

Solution

Option D is right
The smallest $$4-$$ digit number with three different digits is only $$1002$$.
Question 3
1 / -0

Which of the following expression represents the sum of five and nine is multiplied by three?

A
$$ 5 + 9 3$$

B
$$ 5 + (9 3)$$

C
$$ (5 + 9) 3$$

D
None of these

Solution

Sum of five and nine is represented as $$5+9$$
Three multiplied by the sum of five and nine is represented as $$3 \times (5+9)$$ or $$3(5+9)$$
Question 4
1 / -0

If a grown up elephant eats 136 kg in a day, then how much will elephant eat in a year? (No Leap year)

A
49542

B
49640

C
48795

D
49998

Solution
Question 5
1 / -0

Choose the correct representation on the basis of statement given below:
"3 is subtracted from 7 and resulting answer is multiplied by 5."

A
$$7 - 3 5$$

B
$$(7 - 3) 5$$

C
$$(3 - 7) 5$$

D
$$(7) - 3 5$$

Solution
Question 6
1 / -0

Shivani lives in a hostel which charges $$Rs.$$ $$15$$ for lunch and $$Rs.$$$$35$$ for dinner. If she has to pay for $$4$$ days, then which of the following is correct representation using brackets?

A
$$15 + 35 4$$

B
$$(15 + 35) 4$$

C
$$15 + (35 4)$$

D
None of these
Question 7
1 / -0

Find the value of $$105 \times 112$$ using brackets.

A
$$11750$$

B
$$11760$$

C
$$11770$$

D
$$11780$$

Solution
Question 8
1 / -0

Which of the following is the correct representation for the following statement?
"4 is subtracted from 13 and resulting answer multiplied by the sum of 8 and 15".

A
$$13 - 4 + 8 + 15$$

B
$$(13 - 4) 8 + 15$$

C
$$(13 - 4) + (8 + 15)$$

D
$$(13 - 4) (8 + 15)$$

Solution
Question 9
1 / -0

The expression $$30 \times ( 190) $$ has value ____.

A
$$1701$$

B
$$17000$$

C
$$5700$$

D
$$1250$$

Solution
Question 10
1 / -0

Evaluate the following using brackets:
$$987 \times 99$$

A
$$97713$$

B
$$99713$$

C
$$98713$$

D
$$97913$$

Solution