Tag: multiplication of numbers

Questions Related to multiplication of numbers

Multiple choice maths ways to multiply and divide mental multiplication multiplication methods multiplication of numbers

Which of the following options is correct?
Statement 1: If $7$ friends divide $76895$ coloured beads amongst themselves, then each will get $10984$ coloured beads
Statement 2: If $16$ families went on a trip and pay Rs. $216352$ in total, then each family will pay Rs. $13522$.

  1. Both statement 1 and statement 2 are true

  2. Statement 1 is true but statement-2 is false

  3. Statement-1 is false but statement-2 is true

  4. Both statement-1 and statement-2 are false

Reveal answer Fill a bubble to check yourself
C Correct answer
Explanation

Statement 1-If $7$ friends divide $76895$ beads, each friend will get $(76859\div 7)$ beads i.e., $10985$ beads
So, statement 1 is false
Statement 2: Each family will pay
Rs. $(216352\div 16)=Rs.13552$

Multiple choice maths ways to multiply and divide mental multiplication multiplication methods multiplication of numbers

A generator consumes 2.875 litres of diesel per hour.The quantity of diesel required to run the generator for 24 hours is ______ .

  1. $45$ litres
  2. $55$ litres
  3. $72$ litres
  4. $69$ litres
Reveal answer Fill a bubble to check yourself
D Correct answer
Explanation

$\Rightarrow$  Diesel consumes by generator in $1\,hour$ = $2.875\,liters.$

$\Rightarrow$  Diesel consumes by generator in $24\,hours=24\times 2.875\,liters$
$\therefore$  Diesel consumes by generator in $24\,hours=69\,liters$.

Multiple choice maths ways to multiply and divide mental multiplication multiplication methods multiplication of numbers

A machine produces $2800$ screws in a day. Which of the following is the best estimate of the number of screws produced in 2 days?

  1. $3500$
  2. $5000$
  3. $3000$
  4. $2900$
Reveal answer Fill a bubble to check yourself
B Correct answer
Explanation

A machine produces $2800$ screws in a day.

Hence it will produce $2800\times2$ screws in $2$ days
$=5600$ screws in $2$ days
The best estimate of the number of screws produced in $2$ days is $5000$
Hence Option B