StudentAayush Nayak
Class6-B
GradeGrade 6
SchoolYBIS
1.
True / False
(1 pts)
The number 7,999,999 is greater than 8,988,999.
2.
True / False
(1 pts)
The face value of 7 in 57689 is 70.
3.
True / False
(1 pts)
There are four zeroes at the end of the number 10000.
4.
True / False
(1 pts)
The smallest 9-digit number is 100,000,000.
5.
True / False
(1 pts)
All Roman numeral systems up to MCM are equal to 2000.
6.
True / False
(1 pts)
The place value of zero in any number is always zero.
7.
True / False
(1 pts)
If you add one to 9,999,999, the result will have eight digits.
8.
True / False
(1 pts)
Rounding off 3987 to the nearest thousands gives 4000.
9.
True / False
(1 pts)
The Indian system of numeration includes 'lakhs' and 'crores'.
10.
True / False
(1 pts)
The predecessor of 100000 is 99999.
11.
Multiple Choice
(2 pts)
What is the smallest number with 7 digits?
12.
Multiple Choice
(2 pts)
Which numeral system uses 'million'?
✓ Answer
B. International
13.
Multiple Choice
(2 pts)
The place value of 5 in 10506 is:
14.
Multiple Choice
(2 pts)
The sum of the predecessor of the smallest 7-digit number and 1 is:
15.
Multiple Choice
(2 pts)
Which of the following is the largest 7-digit number?
16.
Multiple Choice
(2 pts)
The predecessor of 100000 is:
17.
Multiple Choice
(2 pts)
What is the face value of the digit 5 in the number 775?
18.
Multiple Choice
(2 pts)
The least number of zeroes at the end when rounded off to the nearest tens is:
19.
Multiple Choice
(2 pts)
Form a number with 6 in the tens place and 9 in the lakhs place:
20.
Multiple Choice
(2 pts)
The estimated sum of 3987 and 6759 rounded to the nearest 1000 is:
21.
Fill in the Blank
(2 pts)
The largest 7-digit number is _______.
22.
Fill in the Blank
(2 pts)
The smallest 8-digit number is _______.
23.
Fill in the Blank
(2 pts)
When 1 is added to the greatest 7-digit number, we get _______.
24.
Fill in the Blank
(2 pts)
In Roman numerals, the value of LXXI is _______.
25.
Fill in the Blank
(2 pts)
The place value of 1 in the number 1002 is _______.
26.
Fill in the Blank
(2 pts)
The predecessor of 1000000 is _______.
27.
Fill in the Blank
(2 pts)
In the Indian system, one million is written as _______ lakhs.
28.
Fill in the Blank
(2 pts)
The new price of a house after a ____% increase is calculated by multiplying the old price by 1.20.
29.
Fill in the Blank
(2 pts)
In a cricket series, a player needs to score more than _______ runs to complete 1000 runs if he currently has 867.
30.
Fill in the Blank
(2 pts)
A number that exceeds 8,945,675 by 300,867 is _______.
31.
Word Problem
(5 pts)
Round 535674 to the nearest tens, hundreds, and thousands. Write all three results.
✎ Worked Solution
Step 1: Round 535674 to the nearest ten = 535670
Step 2: Round 535674 to the nearest hundred = 535700
Step 3: Round 535674 to the nearest thousand = 536000
32.
Word Problem
(5 pts)
Calculate the difference between 89567 and 34589 rounded to the nearest hundreds.
✎ Worked Solution
Step 1: Round 89567 to the nearest hundred = 89600
Step 2: Round 34589 to the nearest hundred = 34600
Step 3: Calculate difference = 89600 - 34600
Answer: 55000
33.
Word Problem
(5 pts)
A man travels a total distance of 850 m back and forth from a hotel to Varkala beach. Calculate the total distance he travels in 10 days.
✎ Worked Solution
Step 1: Calculate single day travel = 850 m × 2 = 1700 m
Step 2: Calculate 10 days travel = 1700 m × 10 = 17000 m
Answer: 17000 m
34.
Word Problem
(5 pts)
A businessman invested ? 1,20,00,000 and made a profit of F1,20,000. Calculate his total investment after reinvesting the profit.
✎ Worked Solution
Step 1: Initial investment = 12000000
Step 2: Profit reinvested = 120000
Step 3: Total investment = 12000000 + 120000
Answer: 12120000
35.
Word Problem
(5 pts)
Calculate the number of people who know swimming if 1 out of every 15 people in a city of 884,235 know how to swim.
✎ Worked Solution
Step 1: Population = 884235
Step 2: Calculate swimmers = 884235 / 15
Answer: 58949
36.
Word Problem
(5 pts)
Find the total income from an auditorium with 1500 seats, having different ticket prices for each category.
✎ Worked Solution
Step 1: Calculate income from 300 seats = 300 × 7500 = 2250000
Step 2: Calculate income from 400 seats = 400 × 7250 = 2900000
Step 3: Calculate income from 700 seats = 700 × 7100 = 4970000
Step 4: Remaining seats = 100
Step 5: Calculate income from 100 seats = 100 × 750 = 75000
Answer: 2250000 + 2900000 + 4970000 + 75000 = 10250000
37.
Word Problem
(5 pts)
Vanaja finished a race in 196 seconds and Sunantha in 182 seconds. Calculate how many seconds Vanaja was ahead.
✎ Worked Solution
Step 1: Vanaja's time = 196 seconds
Step 2: Sunantha's time = 182 seconds
Step 3: Calculate difference = 196 - 182
Answer: 14 seconds
38.
Word Problem
(5 pts)
Form the greatest 8-digit number with digits 0, 2, 3, 5, 7, 8, 9 and 1 making sure it's greater than 98273105.
✎ Worked Solution
Step 1: Arrange digits in descending order = 98753210
Step 2: Verify number > 98273105
Answer: 98753210
39.
Word Problem
(5 pts)
Multiply the estimated product of 3567 and 935 after rounding off to nearest hundreds. Explain over or under estimation.
✎ Worked Solution
Step 1: Round 3567 to nearest hundred = 3600
Step 2: Round 935 to nearest hundred = 900
Step 3: Calculate product = 3600 × 900
Answer: 3240000
Explanation: Estimated product is less because rounded values were higher distances from original.
40.
Word Problem
(5 pts)
Determine the year an old building was built with the Roman numeral 'MCMXI'.
✎ Worked Solution
Step 1: M = 1000
Step 2: CM = 900
Step 3: XI = 11
Step 4: Sum = 1000 + 900 + 11
Answer: 1911